ダイコー Product Lineup

■Overview of Processing Example Product Name: V7030(N) Teflon Cushion Gasket / Dimensions: 120W × 250L × 2.8t / This processing example involves a product that has been water jet processed from a Teflon cushion gasket with a PTFE coating structure. Two circular openings with a diameter of 80mm, ten bolt holes with a diameter of 14mm, and a complex shape with rounded corners (R20) were processed with high precision. Water jet processing was selected to enable complex external shapes and multi-hole processing while maintaining the coated structure, achieving stable quality for gaskets used in corrosive fluids and food and pharmaceutical applications. ■Product Features V7030(N) is a composite gasket that has a resilient core material, such as a non-asbestos joint sheet, coated with PTFE in a V-shaped cross-section. Thanks to the excellent chemical resistance of PTFE, it can handle corrosive fluids such as acids and halogens, making it safe for use in the food and pharmaceutical sectors, which are sensitive to contamination. It is widely used for sealing pipe flanges, towers, tanks, and various equipment.

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■Overview of Processing Example Product Name: Flange Gasket / Dimensions: 3t 10K-125A Full Face / This processing example involves the production of a flange gasket using the V6500AC. A corrosion-resistant material was selected for applications requiring corrosion suppression in stainless steel piping. It features a full face shape with 8 bolt holes and is used for sealing at piping connections. Mass production with stable dimensional accuracy is achieved through press processing. ■Product Features No. 6500AC is a corrosion-resistant type that reduces soluble chlorine. It provides corrosion suppression effects when using water or aqueous solutions with stainless steel flanges. Additionally, surface treatment reduces adhesion to the flange. It is suitable for stainless steel piping and valve bonnets in various industries that require corrosion resistance.

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■Overview of Processing Example Product Name: Gasket / Dimensions: 44.2W × 67.85L × 0.8t / This processing example features a non-standard gasket made using TOMBO No. 1995. It has a complex shape combining straight lines and curves, along with a 3.5φ recessed hole, and is used for sealing applications in equipment and piping. The water jet processing allows for stable precision without thermal effects, and since no mold is required, it can flexibly accommodate prototypes and small lots. ■Product Features TOMBO No. 1995 is a general-purpose joint sheet made by blending inorganic fibers and aramid fibers with oil-resistant rubber (NBR). It is compatible with fluids such as water, oil, and brine, and excels in a balance of processability, sealing performance, and flexibility. It is commonly used as gaskets for piping flanges and equipment in various industries.

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■Overview of Processing Example Product Name: T-shaped Gasket / Dimensions: 144W × 197L × 1.5t, φ56 hole × 1, φ15 hole × 3, R3/8 / This processing example involves the production of a T-shaped gasket using TOMBO No.1995. It is designed for sealing at piping connection points and features multiple bolt holes and a central opening. The water jet processing allows for a mold-free approach, ensuring stable processing accuracy even for complex shapes. ■Product Features TOMBO No.1995 is a general-purpose joint sheet made from a blend of inorganic fibers and aramid fibers with oil-resistant rubber (NBR). It is suitable for fluids such as water, oil, and brine, and excels in the balance of processability, sealing performance, and flexibility. It is commonly used as gaskets for piping flanges and equipment in various industrial fields.

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■Overview of Processing Example Product Name: PVC Irregular C-shaped Plate with R / Dimensions: 3t × 45W × 75L R11.25 × 3 / This processing example is an irregular plate manufactured as a mounting part for cold and heat equipment. It includes specifications for C-shaped notches and R processing, aimed at avoiding interference with piping and ensuring secure fixation. Water jet processing was adopted to faithfully reproduce complex contour shapes. Since no molds are used, it allows for a quick turnaround, achieving stable quality from prototyping to mass production. ■Product Features Rigid polyvinyl chloride (PVC) is a type of polyvinyl chloride manufactured without the addition of plasticizers. This results in increased hardness and durability, making it suitable for various applications. Rigid PVC excels in weather resistance, chemical resistance, and recyclability.

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■Overview of Processing Example Product Name: MT Plate Ring Gasket / Dimensions: φ390×φ290 / This processing example features a large-diameter ring gasket used in the flange connection of equipment. The material used is MT plate, and the surface is coated with baked paint (Nippon Paint 19-70A3 semi-gloss). Plotter processing is employed for machining, allowing for high-precision processing of the large-diameter ring shape. By ensuring uniform contour accuracy, stable sealing performance during equipment assembly is achieved. ■Product Features MT Plate (stainless steel) is a plate material made from stainless steel sheets that excel in corrosion resistance and mechanical strength. It is used for partition plates, cover components, structural parts, and more in piping systems and machinery, demonstrating stable dimensional accuracy and durability. Laser processing allows for precision shapes, including multiple hole machining and irregular shape processing, making it widely adopted as components in various industrial equipment and machinery.

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■Overview of Processing Example Product Name: Color Original Concealment Plate / Dimensions: Outer Diameter 320φ × Inner Diameter 260φ / This processing example features a ring-shaped concealment plate made from MT plate (color original). Due to the requirement for exterior quality, press processing was adopted to ensure precision during punching and finishing of the edges. The uniform shape and stable dimensional accuracy allow for production with minimized quality variation even in mass production. Using color original material does not compromise the design quality, making it suitable for cover and concealment applications. ■Product Features MT plate is a sheet material with uniform thickness and stable physical properties, making it suitable for exterior applications. The color original type excels in design quality and is widely used for concealment and cover applications. It also exhibits excellent dimensional stability after processing, with minimal quality variation being a key feature.

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■Overview of Processing Example Product Name: Gasket / Dimensions: 2t × 20W × 1000L / This processing example involves the production of a long gasket using EPDM sponge (with adhesive). It is used for sealing gaps in equipment in a strip shape, requiring uniform width precision. Water jet processing ensures stable machining accuracy and reproducibility even for long lengths. ■Product Features EPDM sponge is a lightweight and flexible material made by foaming EPDM rubber. Its independent bubble structure provides excellent water resistance and thermal insulation, with high compression recovery, ensuring stable performance as a sealing material. It also excels in weather resistance and ozone resistance, making it suitable for long-term use in outdoor environments, and is widely used as a sealing material and cushioning material in the construction, equipment, and electrical fields.

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■Overview of Processing Example Product Name: EPDM Unequal Hole Gasket / Dimensions: 0.5t × 60φ × 26φ (Bolt holes 6.6φ-4, 7φ-2, 5.1φ-2) / This processing example involves the production of an unequal hole gasket made from EPDM material. Due to the non-equidistant arrangement of the bolt holes, it was difficult to accommodate this specification with conventional mold processing; however, by adopting water jet processing, we achieved production without the need for molds. Even with complex hole arrangements, we ensure high positional accuracy and reproducibility, and we can accommodate small lot sizes. ■Product Features EPDM (Ethylene Propylene Rubber) is extremely excellent in weather resistance and ozone resistance, making it a rubber that is less prone to deterioration even when exposed to outdoor environments such as ultraviolet rays and rain. It is resistant to water and chemicals, but it is weak against mineral oils and cannot be used with them. Leveraging its high durability, it is widely used in construction waterproof sheets, window frames, and plumbing gaskets, among others.

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■Overview of Processing Example Product Name: Truck Oval Gasket / Dimensions: 180W × 270L × 0.8t, Bolt Holes φ9 × 10 holes / This processing example features a truck oval-shaped gasket made using No. 6500 joint sheet. The rounded corners of the truck shape help to alleviate stress concentration and enhance sealing performance. The outer and inner perimeters of the oval, along with 10 bolt holes, are cut with high precision using water jet processing. This method does not require a mold, making it suitable for prototyping and small lot production. ■Product Features No. 6500 is a general-purpose joint sheet primarily composed of non-asbestos fibers and heat-resistant, oil-resistant rubber (NBR). It offers excellent economic efficiency and is compatible with a wide range of fluids, including water, oil, and air. It is commonly used for sealing in piping and equipment across various industries and complies with JIS standards for water supply, although care should be taken under conditions exceeding 100°C.

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■Overview of Processing Example Product Name: NBR Rubber Flange Gasket / Dimensions: Outer Diameter 59φ × PCD 50 × Bolt Hole 5φ - 8 Holes × Thickness 1.5t / This processing example features a flange gasket made from NBR rubber. Using water jet cutting, we performed circular cutting on the outer circumference and created eight bolt holes, as well as a cross-shaped notch on the inner diameter. This notch is designed to facilitate access to the interior of the piping and aid in positioning during assembly. Water jet cutting does not affect the rubber material with heat and allows for high-precision finishing of complex notch shapes. ■Product Features NBR (Nitrile Rubber) has excellent oil resistance, making it an ideal synthetic rubber for seals in fuel oils and lubricants. It also boasts high mechanical strength and wear resistance, and is widely used in O-rings, gaskets, hoses, and more. However, its resistance to weather and ozone is low, making it unsuitable for outdoor use; it is primarily utilized in indoor hydraulic and pneumatic equipment.

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■Overview of Processing Example Product Name: NBR Rubber Flange Gasket (with Tabs) / Dimensions: 10K-50A Thickness 1.5mm / This processing example involves the production of NBR rubber flange gaskets for a piping equipment manufacturer. This product features a special shape with tabs (protrusions) designed to improve installation position confirmation and workability. By adopting water jet processing, we achieved high-precision machining of the complex outer shape, including the tab sections, four bolt holes, and a central piping hole, while minimizing thermal impact on the rubber material. ■Product Features NBR (Nitrile Rubber) has excellent oil resistance, making it an ideal synthetic rubber for seals in fuel oils and lubricants. It also boasts high mechanical strength and wear resistance, and is widely used in O-rings, gaskets, hoses, and more. However, its weather resistance and ozone resistance are low, making it unsuitable for outdoor use; it is primarily utilized in indoor hydraulic and pneumatic equipment.

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■Overview of Processing Example Product Name: Teflon Coated Gasket / Dimensions: φ128×φ105×2.8t / This processing example features a Teflon coated gasket with TOMBO No.1120 as the core material, wrapped in PTFE. It was manufactured for a chemical plant. In addition to the heat and steam resistance of the expanded graphite sheet core, the outer PTFE layer provides excellent chemical resistance. Due to its small diameter, high-precision cutting was achieved through water jet processing. ■Product Features TOMBO No.1120 is a joint sheet primarily composed of expanded graphite, with added aramid fibers and NBR. It excels in heat resistance, steam resistance, and corrosion resistance, and is flexible and resistant to scratches. It is suitable for water, steam, oil, exhaust gases, etc., and is widely used in relatively high-temperature flanges and valves in petroleum refining, chemical plants, and power plants.

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■Overview of Processing Example Product Name: TOMBO No.9007-LC Long Hole Processed Gasket / Dimensions: 25W×86L×t2mm, Long Holes 11×20 (2 locations), R12.5 / This processing example uses a PTFE-based gasket material with excellent creep resistance and features two small diameter long holes in a custom shape. It was manufactured as a sealing component for piping equipment in chemical plants. The small diameter long holes were cut with high precision using water jet processing, minimizing thermal deformation. Complex shapes were achieved in a short delivery time without compromising the properties of the PTFE material. ■Product Features TOMBO No.9007-LC is a gasket that incorporates silica into PTFE to improve creep resistance at high temperatures. It is less prone to deformation compared to conventional PTFE and has excellent chemical resistance, but it cannot be used with hydrofluoric acid or strong alkalis. It is suitable for sealing areas in chemical plants where deformation or loosening due to heat is a concern.

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■Overview of Processing Example Product Name: Yoke Cover / Dimensions: 234W × 440L × 8t (Acrylic 5t + CR 3t bonded) 4-φ10 holes 4-R30 / This processing example is a composite structure yoke cover made by bonding transparent acrylic sheet and CR rubber (neoprene rubber). The acrylic sheet was precisely cut using laser processing, while the CR rubber was cut with high precision using water jet processing, and they were integrated during the bonding process. It combines the visibility of acrylic with the weather resistance and cushioning properties of CR rubber, functioning as a protective cover for equipment. ■Product Features This product is a composite material made by bonding a transparent acrylic sheet (5mm thick) and CR rubber (neoprene rubber, 3mm thick). The acrylic offers excellent transparency and impact resistance, ensuring visibility of the interior. CR rubber (neoprene rubber) is well-balanced in weather resistance, oil resistance, heat resistance, and other properties, making it suitable for long-term outdoor use. By combining both materials, we achieved a high-performance cover that offers both protective capabilities and visibility.

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■Overview of Processing Example Product Name: Protective Seal for Flanges / Dimensions: 10K-450A FF Blind (10 Bolt Holes, Staggered Arrangement) / This processing example features a protective seal for flanges made from transparent PP sheet material. It was created to protect the piping flange surface from scratches and dirt during transportation and storage. Due to its blind cap shape, there are no inner diameter holes, and only the outer bolt holes are processed. By adopting press processing, we achieved uniform hole position accuracy and outer dimensions even in the mass production of 50 pieces. ■Product Features PP (Polypropylene) sheet is a lightweight, general-purpose resin material with excellent chemical resistance and water resistance. It has high transparency, allowing for internal visibility, and combines flexibility with moderate rigidity. It also has excellent impact resistance and is used in a wide range of applications such as protective covers, protective sheets, and packaging materials. It offers high cost performance and good processability.

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■Overview of Processing Example Product Name: Slit Gasket / Dimensions: Outer Diameter φ340 × Inner Diameter φ285 × Thickness 1.5mm, Bolt Holes φ12 × 12 Locations, PCD315 / This processing example involves the production of a slit gasket made from TOMBO No.1995 using water jet cutting. It is designed for retrofitting existing piping, allowing for installation without disassembling the piping by incorporating a slit in the gasket, which results in reduced construction time and improved maintenance. The 12 bolt holes are also processed with high precision. ■Product Features TOMBO No.1995 is a general-purpose joint sheet made from a blend of inorganic fibers and aramid fibers with oil-resistant rubber (NBR). It is suitable for fluids such as water, oil, and brine, and excels in a balance of processability, sealing performance, and flexibility. It is commonly used as gaskets for piping flanges and equipment in various industrial fields.

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■Overview of Processing Example Product Name: Inspection Port Gasket / Dimensions: 146.37W × 270L × 5t, Hole Diameter φ9 × 4 Locations (with R) / This processing example is an inspection port gasket made from white natural rubber (hardness 40). It is used as a sealing material between the inspection port cover and the frame of the equipment. It has a complex shape with an irregular outer contour and four bolt holes, but it was cut with high precision without the need for a mold using water jet processing. There was no thermal impact on the rubber material, and it was finished without compromising the flexible properties of natural rubber. ■Product Features Natural rubber (NR) is made from the sap of rubber trees and boasts excellent mechanical strength, elasticity, and abrasion resistance. While it is strong against tearing and bending, it is inferior in oil resistance and weather resistance. Therefore, it is widely used in environments that are not exposed to oil or direct sunlight, such as vibration-damping rubber, cushioning materials, and tires (blends).

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■Overview of Processing Example Product Name: Gasket with Cutouts / Dimensions: Outer Diameter 220φ × Inner Diameter 190φ × P206, Thickness 7φ, Cutouts at 2 Locations / This processing example features a ring-shaped gasket made from three-sheet material processed with a water jet. Cutout shapes are provided on the outer circumference to facilitate positioning during assembly with piping and casings. Bolt holes are also processed simultaneously to accommodate attachment to flanges. The water jet processing achieves high-precision cutting surfaces even for complex shapes. ■Product Features Three-sheet (3F sheet) is a sheet material with excellent chemical resistance, primarily composed of PTFE. It is resistant to a wide range of chemicals, including acids, alkalis, and solvents, and has low leaching of impurities, making it widely used as sealing material in chemical plants and the food and pharmaceutical sectors. It is flexible and has good compatibility with flange surfaces.

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■Overview of Processing Example Product Name: Fluororubber Gasket with Opening / Dimensions: Rectangular Sheet Shape, with Slit Opening / This processing example features a gasket made from fluororubber sheet with a slit opening. It is used in environments where heat resistance and chemical resistance are required, such as chemical plants and semiconductor manufacturing equipment. By adopting water jet processing, we can cut narrow slit openings with high precision without compromising the excellent properties of fluororubber. There is no deformation or material degradation due to thermal effects, ensuring the quality of the sealing surface. ■Product Features Fluororubber (FKM) is a material that ranks at the top of synthetic rubbers. It boasts outstanding performance in heat resistance (up to 250°C), oil resistance, and chemical resistance. It is essential as a critical component in chemical plants and semiconductor manufacturing equipment due to its stable performance even in harsh environments, but attention must be paid to its cold resistance and price.

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■Overview of Processing Example Product Name: Gasket with Openings / Dimensions: 40W × 90L × 1t, with long holes of 5 × 80 and small openings of 2 × 20 / This processing example features a gasket with openings made from fluorine rubber. By utilizing fluorine rubber, which excels in heat resistance, oil resistance, and chemical resistance, it demonstrates stable sealing performance even in harsh environments. The complex shape with long holes and small openings is achieved through water jet processing. This method allows for high-precision cutting without affecting the material's heat, minimizing dimensional errors caused by the elastic deformation characteristic of rubber. ■Product Features Fluorine rubber (FKM) is a top-tier material among synthetic rubbers. It boasts outstanding performance in heat resistance (up to 250°C), oil resistance, and chemical resistance. Its ability to be used stably in harsh environments makes it indispensable as a critical component in chemical plants and semiconductor manufacturing equipment; however, attention must be paid to its cold resistance and cost.

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In environments where extremely high cleanliness is required, such as semiconductor, oxygen and hydrogen lines, and ultra-pure water lines, residual oil from sealing materials can trigger significant problems. Daiko Co., Ltd. offers a comprehensive in-house solution from high-precision "custom processing" to "ultrasonic degreasing cleaning." We provide clean sealing materials that maximize the performance of your equipment.

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Processing Case Overview Product Name: 3-Pass Branch Gasket Dimensions: φ173×φ127×P153 This case is an example of processing a branch structure gasket with three internal flow paths. Due to the presence of multiple partitions and openings inside, the reproducibility of the width and shape of each path became crucial. Using TOMBO No.1995, we have stably processed the complex internal shape while minimizing stress and thermal effects on the material through water jet processing. Product Features (TOMBO No.1995) TOMBO No.1995 is a general-purpose joint sheet made from a blend of inorganic fibers, aramid fibers, and oil-resistant rubber (NBR). It is compatible with fluids such as water, oil, and brine, and excels in the balance of processability, sealing performance, and flexibility. It is commonly used as gaskets for piping flanges and equipment in various industrial fields.

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■Overview of Processing Example Product Name: Irregular Gasket Dimensions: φ485 × φ435 × t5 (PCD φ13-24 holes) Material: EPDM Rubber This case is a processing example of a large-diameter irregular gasket made from EPDM rubber. It has a complex shape on both the outer and inner peripheries, with numerous bolt holes arranged in its structure, requiring high processing precision. Water jet cutting allows for the material to be cut without thermal impact, enabling processing while maintaining the inherent properties of the rubber. It flexibly accommodates complex shapes and multi-hole processing, achieving both dimensional accuracy and stability in quality. ■Product Features | EPDM Rubber EPDM rubber is a synthetic rubber with excellent weather resistance, heat resistance, and ozone resistance. It is resistant to deterioration even in outdoor environments and under temperature fluctuations, providing stable sealing performance over the long term. It also has excellent chemical resistance, making it suitable for a wide range of applications, including water-based and steam lines.

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【Processing Case Overview】 This is a processing case of a flange gasket using the non-asbestos joint sheet "D6000." Due to its ring shape with numerous bolt holes, the accuracy of hole positioning and mass production capability are crucial for this product. By adopting press processing, we ensure uniform hole pitch and high reproducibility, achieving stable quality for mass production. It is used as a sealing material for equipment applications where reliable fastening and airtightness are required. 【Product Features】 D6000 is a gasket material widely used as a non-asbestos joint sheet, known for its excellent balance of heat resistance, pressure resistance, and oil resistance. It demonstrates stable sealing performance in various piping flanges and equipment connections. Additionally, it has excellent compressive resilience, providing high follow-up during fastening and maintaining a stable sealing state even after bolt tightening. It also boasts excellent processability, compatible with various processing methods such as punching and water jet cutting, making it a versatile material that can accommodate a wide range of standard and custom shapes.

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In chemical plants, high sealing performance and durability are required to handle corrosive and highly reactive fluids. Fluid leakage can lead to plant shutdowns and safety risks. Therefore, gaskets that provide stable sealing performance even under harsh conditions are essential to support the safe operation of equipment. The spiral gasket D1000 is designed to meet the stringent demands of such chemical plants. [Usage Scenarios] - Flanged connections of reactors, heat exchangers, pumps, valves, etc. - Sealing of corrosive fluids and high-temperature, high-pressure fluids - Ensuring safe plant operation and reducing maintenance costs [Benefits of Implementation] - Excellent resistance to reactive fluids - Maintenance of stable sealing performance over the long term - Improved plant reliability due to reduced leakage risks

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In the paper industry, stable sealing performance is required in high-temperature and high-pressure steam lines. Steam leakage can lead to reduced production efficiency and safety issues. In particular, reliable gaskets that can perform under harsh conditions are essential for the stable operation of plants. The spiral gasket D1000 has been designed to meet the stringent demands specific to the paper industry. 【Application Scenarios】 - Flange connections in steam piping - Sealing for heat exchangers - Dryer lines - High-temperature and high-pressure steam seals within the plant 【Benefits of Implementation】 - Maintenance and improvement of production efficiency by suppressing steam leakage - Contribution to stable plant operation - Reduction in maintenance frequency - Assurance of safety

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In the petrochemical industry, high-pressure seals require high safety and stable sealing performance. Particularly in harsh environments such as high temperature and high pressure, even a slight leak can lead to serious accidents. Therefore, selecting reliable sealing materials is essential. The spiral type gasket D1000 is designed to meet these demands and provides reliable sealing performance even under severe conditions. 【Usage Scenarios】 - High-pressure piping in plant facilities - Flanges of reactors and heat exchangers - Sealing of high-temperature and high-pressure fluids 【Benefits of Implementation】 - Reduced leakage risk - Contributes to stable operation of equipment - Decreased maintenance frequency

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■Overview of Processing Example Product Name: Frame Gasket Dimensions: R790 × R746 × 855L This processing example involves the production of a gasket in the shape of a frame, combining curves and straight lines, through cross rubber coating. It features a structure with bolt holes evenly distributed around the perimeter, suitable for sealing applications in equipment covers and large flange connections. Due to the mixture of complex R shapes and straight sections, specifications require both dimensional accuracy and hole position accuracy. It is primarily used in the fields of industrial machinery and equipment, where alignment during assembly and stable adhesion are emphasized. The cross rubber coating process maintains the material's flexibility while achieving a uniform finish even for complex shapes, ensuring high reproducibility of processing quality. ■Product Features | D5800 Duct flanges and manhole gaskets for exhaust gases, combustion gases, and hot air. Uses bio-soluble fiber cloth compliant with RCF regulations. Various processing methods, including sewing, are available, allowing for large diameter processing. Used for high-temperature duct sealing.

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■Overview of Processing Example Product Name: Jigsaw Split Gasket Dimensions: 400φ × 291φ This processing example involves the production of a jigsaw split gasket with a segmented structure using cross rubber coating. By incorporating a split in the circumferential direction, it allows for installation and replacement without disassembling the equipment, making it suitable for applications that require improved maintenance. It is primarily used in equipment designed for on-site construction, such as blowers and duct connections, and can be retrofitted to existing machinery. The split sections are designed with positioning considerations to minimize misalignment during assembly, ensuring stable sealing performance. By adopting cross rubber coating, it leverages the material's flexibility and moldability while achieving uniform thickness and high precision in the finish. ■Product Features | D5400 This gasket is made by applying natural rubber to glass cloth and molding it into a specified shape. It has excellent thermal insulation properties and is environmentally friendly as it is non-asbestos. There are various processing methods, including sewing, allowing for large diameter processing. It is used for high-temperature duct sealing.

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■Overview of Processing Example Product Name: Single Flange Round Tube Packing Dimensions: 180φ × 115φ This processing example involves the combination of cross rubber coating and adhesive processing to create a duct packing with a single flange added to a round tube shape. The integrated structure of the cylindrical and flange parts meets the requirements for both sealing and positioning in duct connection applications. It is primarily used in plant equipment and exhaust/heat air lines, where preventing misalignment during installation and ensuring stable adhesion are critical conditions. By integrating the tube and flange parts through adhesive processing, the assembly during construction is improved, contributing to enhanced work efficiency. The use of cross rubber coating allows for uniform shape formation even with thick materials, ensuring stable quality and reproducibility. ■Product Features | D5400 This is a gasket formed by applying natural rubber to glass cloth and shaping it into a specified form. It has excellent thermal insulation properties and is environmentally friendly as it is non-asbestos. There are processing methods such as sewing, and large diameter processing is possible. It is used for high-temperature duct seals.

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■Overview of Processing Example Product Name: Duct Packing with One-Sided Flange Dimensions: 4.8t 480φ × 380φ This processing example combines cross rubber coating and adhesive processing to create a duct packing with a one-sided flange shape. It is used for sealing at duct connection points, where positioning during installation and stable adhesion are required. This application necessitates reliable sealing and workability in chemical facilities and various plant equipment. The one-sided structure is integrated through adhesive processing to prevent shape misalignment and contribute to the efficiency of assembly work. The cross rubber coating allows for uniform molding even with thick materials, ensuring stable quality and reproducibility. ■Product Features | D5400 This is a gasket formed by applying natural rubber to glass cloth and shaping it into a specified form. It has excellent thermal insulation properties and is environmentally friendly as it is non-asbestos. There are processing methods such as sewing, and large diameter processing is possible. It is used for high-temperature duct sealing.

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■Overview of Processing Example Product Name: Gasket for Duct Dimensions: 4.8t 480φ × 380φ This processing example involves the production of a large-diameter ring-shaped gasket using cross processing. It utilizes glass cloth graphite-treated material, suitable for duct sealing applications in high-temperature environments. It has been adopted in the chemical equipment sector under conditions that require heat resistance and stable sealing performance. The cross rubber coating process ensures uniform shape accuracy and flexibility even for large diameters, achieving both workability and long-term sealing performance. ■Product Features | D5400 (with Expanded Graphite) This gasket is made by applying natural rubber to glass cloth and further combining it with expanded graphite. It offers excellent thermal insulation and is environmentally friendly as it is non-asbestos based. Various processing methods, including sewing, are available, allowing for large-diameter processing. The addition of expanded graphite enhances sealing performance and heat resistance, making it suitable for high-temperature duct sealing applications.

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■Overview of Processing Example Product Name: Long-Length Packing Dimensions: 75W × 11.5M This processing example involves the production of long-length packing using cross rubber coating. By utilizing roll materials in a strip-like structure, we achieve a high degree of integrity with minimized seams. In mechanical equipment applications, accommodating long lengths and ensuring flexibility are crucial, which is why we adopted cross rubber coating as the processing method. This allows us to maintain uniform thickness and shape reproducibility while improving handling during installation and ensuring stable sealing performance. ■Product Features | D5400 This is a gasket made by applying natural rubber to glass cloth and molding it into a specified shape. It has excellent thermal insulation properties and is environmentally friendly as it is non-asbestos. There are processing methods such as sewing, allowing for large-diameter processing. It is used for high-temperature duct sealing.

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■Overview of Processing Example Product Name: Band-Shaped Non-Standard Packing (Adhesive Processing) Material: D5400 Glass Cloth Dimensions: 750W × 1151L This example showcases the processing of band-shaped non-standard packing made from D5400 glass cloth. The product features a long shape and a complex outline that includes curves, and it is manufactured by combining water jet processing and adhesive processing. Water jet processing allows for high-precision cutting while maintaining material properties without causing thermal effects. Additionally, by adhering the parts after segmented processing, it can flexibly accommodate large and long shapes. This ensures reliable sealing performance and workability for equipment applications. ■Product Features | D5400 This is a gasket formed by applying natural rubber to glass cloth and shaping it into a specified form. It has excellent thermal insulation properties and is environmentally friendly due to being non-asbestos. There are various processing methods, including sewing, allowing for large diameter processing. It is used for high-temperature duct sealing.

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■Overview of Processing Example Product Name: Band-Shaped Non-Standard Packing Material: D5400 Glass Cloth Dimensions: 175W × 275L This case is an example of processing a band-shaped non-standard packing made from D5400 glass cloth. The product requires a combination of curves and straight lines, as well as multiple hole processing, making it a project that demands precision and reproducibility. Water jet processing allows for machining without affecting heat, while maintaining the material properties. This ensures stable dimensional accuracy even for non-standard shapes, resulting in a high-quality finish. ■Product Features | D5400 This is a gasket formed by applying natural rubber to glass cloth and shaping it into a specified form. It has excellent thermal insulation properties and is environmentally friendly as it is non-asbestos. There are processing methods such as sewing, and large-diameter processing is possible. It is used for high-temperature duct sealing.

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■Overview of Processing Example Product Name: R Frame Packing Material: D5800 This case study involves the processing of R frame packing made from D5800 material. The product requires precision in the outer shape, which includes curves, and stable dimensional accuracy is ensured by adopting laser processing. Laser processing is a non-contact method, allowing for the machining of complex shapes while minimizing the load on the material. It excels in the reproducibility of R shapes, achieving a uniform finish that is difficult to attain with manual processing. Additionally, it is suitable for short delivery times and small lot production since it does not require molds. ■Product Features | D5800 It is a sheet material that combines inorganic fibers and a rubber-based binder, offering excellent heat resistance and sealing properties. It possesses both flexibility and resilience, making it widely used for packing applications in various types of equipment.

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■Overview of Processing Example Product Name: Large Diameter Gasket Dimensions: φ3060 × φ2750 × t6.4 This case study involves the processing of a large diameter gasket using D5400 glass cloth. The product is used for duct flange applications and is manufactured by combining split processing with adhesive bonding through water jet cutting. Even sizes that are difficult to handle individually can be produced while ensuring dimensional accuracy through split processing. By using a processing method that does not impart thermal effects, stable quality is achieved while maintaining material properties. ■Product Features | D5400 This gasket is made by applying natural rubber to glass cloth and molding it into the specified shape. It has excellent thermal insulation properties and is environmentally friendly as it is non-asbestos. There are various processing methods, including sewing, allowing for large diameter processing. It is used for high-temperature duct sealing.

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Overview of Processing Example Product Name: TOMBO No.1995 Irregular Gasket Dimensions: 400W×600L t3 17φ×16 holes This example is an irregular gasket made for large equipment flanges. It features a special contour that combines curved outer edges and straight sections, along with evenly spaced bolt hole processing. By adopting water jet processing, it accurately reproduces complex shapes without the need for molds, achieving both hole position accuracy and outer contour precision. It ensures stable quality from prototype to mass production. Product Features (TOMBO No.1995) TOMBO No.1995 is a general-purpose joint sheet made by blending inorganic fibers and aramid fibers with oil-resistant rubber (NBR). It is suitable for fluids such as water, oil, and brine, and excels in a balance of processability, sealing performance, and flexibility. It is commonly used as gaskets for piping flanges and equipment in various factories across many fields.

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Processing Case Overview Product Name: Packing Material for Exhaust Ducts Dimensions: 4t × 30W × 30M This processing case involves packing material used at the connection points of exhaust ducts in industrial equipment. The specification involves sealing material processed into a roll with a width of 30mm and a thickness of 4mm, which is used at the flange sections of large-diameter ducts. The material used is D5800, composed of a heat-resistant sealing material made by impregnating glass cloth with rubber. The cross-rubber coating process ensures flexibility and workability, contributing to improved installation on-site and stable sealing performance. Product Features (D5800) Used for exhaust gases, combustion gases, hot air, etc., at duct flanges and manhole gaskets. Utilizes biocompatible, biodegradable fiber cloth compliant with RCF regulations. Various processing methods, including sewing, are available, allowing for large-diameter processing. Used for high-temperature duct sealing.

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Overview of Processing Example Product Name: D5800 Gasket for Partition Board (3-part) Dimensions: 1200φ t4 3-part specification This example is a gasket for a large-diameter partition board with a diameter of 1200mm. It features numerous hole processes across the entire surface and adopts a 3-part structure to improve workability. Multi-hole processing is reproduced with high precision through laser processing, ensuring the alignment of the split parts and the accuracy of the outer circumference. It also provides stable support for large and complex specifications. Product Features (D5800) Used for duct flanges, manhole gaskets, etc., for exhaust gases, combustion gases, and hot air. It uses bio-soluble fiber cloth that complies with RCF regulations. There are processing methods such as sewing, allowing for large-diameter processing. It is used for high-temperature duct sealing.

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Processing Case Overview Product Name: D5400 Corner Sewn Gasket Dimensions: 4t 470×470 Inner dimensions approximately 390 square This case involves a frame-shaped gasket for large ducts. The corner sewn specification ensures shape retention and suppresses distortion during installation. The water jet processing guarantees linear accuracy for both the outer and inner perimeters, achieving stable dimensional control even for large sizes. Product Features (D5400) This gasket is made by applying natural rubber to glass cloth and molding it into a specified shape. It has excellent thermal insulation properties and is environmentally friendly as it is non-asbestos. Various processing methods, including sewing, are available, allowing for large diameter processing. It is used for high-temperature duct sealing.

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■Overview of Processing Example Product Name: Gasket Dimensions: 6t 28φ×13.9φ This processing example involves the production of a small-diameter gasket using D5400 (glass cloth-based sheet). Due to its small diameter and thickness, conventional processing faced challenges with dimensional variation and processing quality. However, by adopting water jet cutting, stable cutting through non-thermal processing was achieved. Precision was secured for both inner and outer diameters, enabling processing with stable quality. ■Product Features D5400 is a sheet material with excellent heat resistance and durability, based on glass cloth. It demonstrates stable performance even in high-temperature environments and has excellent dimensional stability, making it suitable for use as a sealing material in various equipment. Additionally, it has superior mechanical strength, ensuring stable sealing at bolt fastening points.

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Overview of Processing Example This is a gasket in the shape of a glass cloth frame using D5400. Dimensions: 314W × 614L, width 32mm, thickness 3.2t, with 10 holes of φ12. High-precision processing has been achieved even for large rectangular shapes through water jet processing. It is suitable for high-temperature duct applications. Product Features (D5400) This gasket is made by applying natural rubber to glass cloth and molding it into a specified shape. It has excellent thermal insulation properties and is environmentally friendly as it is non-asbestos. There are various processing methods, including sewing, allowing for large diameter processing. It is used for high-temperature duct sealing.

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Processing Case Overview Product Name: CR Rubber Frame-Shaped Gasket Dimensions: Outer dimension approximately 330 square / Inner diameter with opening / Multiple mounting holes This case is an example of processing a CR rubber frame-shaped gasket used for openings in equipment. The shape includes corners on both the outer and inner perimeters, with mounting holes arranged around it, requiring dimensional reproducibility and assembly compatibility. By adopting water jet processing, which allows for machining according to the drawings without using a die, stable quality manufacturing has been achieved. Product Features (CR Rubber) Neoprene rubber (CR) is a rubber material that has a well-balanced combination of weather resistance, oil resistance, and heat resistance. It is particularly excellent in aging resistance and ozone resistance, making it strong for long-term outdoor use. It also possesses flame retardancy and mechanical strength, and is used in a wide range of applications such as construction gaskets, wire coatings, and industrial components.

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