ダイコー Product Lineup

Our company consistently manufactures glass cloth, biodegradable cloth, spun products, and high-performance gaskets in-house. By internalizing the rubber solvent coating process on base fabrics and introducing our unique technology and equipment, we have established an efficient production system. We provide high-quality products stably. Additionally, we laminate materials that have undergone rubber coating and shape them to the desired thickness. We can recommend suitable materials based on the usage temperature. [Applications] ■ Various gaskets (manholes, handholes, flanges, etc.) ■ Sealing materials for high-temperature environments such as exhaust gases and hot air ■ Expansion joints, bellows *For more details, please download the PDF or feel free to contact us.

We would like to introduce our glass tape 'D5400-T'. This product is woven using a tape weaving machine with a special rubber coating to improve the processability of glass fibers, and it is slit into narrow widths. It excels in heat resistance and workability, and its applications include sealing materials for large-diameter exhaust ducts, thermal insulation for piping, and burn prevention. 【Specifications】 ■ Heat resistance temperature: 400℃ ■ Dimensions (mm) ・Thickness: 1.6～ ・Width: 15～ ・Length: 30 *For more details, please download the PDF or feel free to contact us.

We would like to introduce our ceramic tape 'D5800-T'. This product is woven using a special rubber coating to improve the workability of ceramic fibers, and it is slit into narrow widths. It excels in heat resistance and workability, and its applications include gasket material for large-diameter exhaust ducts, insulation for piping, and burn prevention. 【Specifications】 ■ Heat resistance temperature: 800℃ ■ Dimensions (mm) ・Thickness: 2.0～ ・Width: 15～ ・Length: 30 *For more details, please download the PDF or feel free to contact us.

We would like to introduce our glass ribbon 'D5400-R'. This is a narrow-width woven fabric made from glass fibers, suitable for applications such as sealing materials for large-diameter exhaust ducts, thermal insulation for piping, and burn prevention. It has excellent thermal insulation properties and is environmentally friendly as it is non-asbestos based. Additionally, it is used for high-temperature duct sealing. 【Specifications】 ■ Heat resistance temperature: 400℃ ■ Dimensions (mm) ・ Thickness: 1.6～ ・ Width: 25～ ・ Length: 30 *For more details, please download the PDF or feel free to contact us.

We would like to introduce our glass corner packing 'D5400-K'. This product is made by weaving glass fibers and ceramic fibers into a corner shape. It features thermal insulation and heat resistance. It is used in exhaust ducts, boilers, combustion equipment, pump seal areas, and more. Please feel free to contact us when you need it. 【Specifications】 ■ Heat resistance temperature: 400℃ ■ Dimensions (mm) ・ Nominal diameter: 6.4 to 30.0 *For more details, please download the PDF or feel free to contact us.

We would like to introduce our ceramic round packing 'D5800-K'. This product is made by weaving glass fibers and ceramic fibers into a corner shape. It has features such as thermal insulation and heat resistance. It is used in exhaust ducts, boilers, combustion equipment, pump seal areas, etc. Please feel free to contact us when you need it. 【Specifications】 ■ Heat resistance temperature: 800℃ ■ Dimensions (mm) ・Nominal diameter: 6.4 to 30.0 *For more details, please download the PDF or feel free to contact us.

We would like to introduce our "Glass Yarn." This product is a cord made by twisting heat-resistant glass fiber threads, suitable for steam pipes, exhaust gas packings for oil stoves, and air conditioning duct packings. It has excellent thermal insulation properties and is environmentally friendly as it is non-asbestos. It is used for high-temperature duct seals. 【Lineup】 ■ 3.2mm to 9.6mm / 1kg roll ■ 12.7mm to 19.1mm / 5kg roll *For more details, please download the PDF or feel free to contact us.

■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.

■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.

■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.

■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.

■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.

■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.

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.

■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.

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.

Product Name: D5400 Split Gas Gasket Dimensions: φ370×φ231 (8 holes φ17) This case is a gasket for large-diameter flanges used in industrial machinery equipment. It adopts a split structure to allow for replacement without disassembling existing piping. The hole position accuracy is ensured through water jet processing, preventing bolt interference and improving assembly workability. This is a processing case that can accommodate large diameters and custom specifications. Product Features (D5400) This is a gasket 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 such as sewing, and it is capable of processing large diameters. It is used for high-temperature duct sealing.

Processing Case Overview Product Name: D5400 Ring Gasket Dimensions: 10t φ580×φ450 P520 φ15-12 This is a large-diameter ring gasket with a thickness of 10mm made from D5400 material. It has an outer diameter of φ580 and an inner diameter of φ450, with 12 holes processed using P520. By adopting water jet processing for this thick plate with multiple holes, we minimized thermal effects, achieving stable dimensional accuracy and uniform cutting surfaces. This is a processing example for high-temperature duct applications. Product Features (D5400) This gasket is made by applying natural rubber to glass cloth and shaping it into the required form. 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 seals.

■Overview of Processing Example Dimensions: 150W × 712L (Thickness 2t) This example involves the production of a long gasket processed with tape using D5400 glass cloth material. It features a strip shape of 150W × 712L with six 14φ holes arranged to improve positioning during installation and enhance work efficiency. In long shapes, linear accuracy and hole pitch accuracy are crucial, so water jet processing was adopted. This method allows for processing without thermal impact, ensuring a uniform cutting surface without compromising material properties. The tape-equipped specification facilitates temporary fixing, contributing to improved workability on-site. ■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.

Processing Case Overview Product Name: Ring Gasket (R5 U-shaped Cut) Dimensions: φ460×φ361 (t6.4) This processing case involves a large-diameter ring gasket used in wind power-related equipment. Due to its special shape, which includes R5 U-shaped notches and jigsaw cuts, water jet processing was adopted instead of mold processing. By using non-contact cutting, stable processing accuracy is ensured even for the thick D5400, leading to improved fit during assembly and enhanced workability. 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. Various processing methods, including sewing, are available, allowing for large-diameter processing. It is used for high-temperature duct sealing.

We would like to introduce a case where a frame-shaped gasket was produced from graphite-treated glass cloth "D5400" with a thickness of 3.2mm, based on the customer's drawing. The size is 300mm × 350mm with a width of 45mm, and the processing involved drilling 14 bolt holes with a diameter of 15mm. Using our water jet cutting machine, we achieved high precision cutting directly from CAD data. The glass cloth has been rubber-coated and further treated with graphite on the surface to prevent burning onto the flange, resulting in a non-asbestos heat-resistant gasket. It has excellent thermal insulation properties and can withstand high temperatures up to 400°C. 【Case Summary】 ■ Material: D5400 Glass Cloth Gasket ■ Product: Frame-shaped Gasket ■ Dimensions: 300mm × 350mm, 45mm width ■ Processing Details: Drilling 14 bolt holes with a diameter of 15mm ■ Processing Method: - High precision cutting using a water jet cutting machine directly from CAD data *For more details, please download the PDF or feel free to contact us.

We would like to introduce our glass round packing 'D5400-M'. It is made by braiding glass fibers and ceramic fibers into a rope, designed for thermal insulation and heat resistance. It is used for sealing in boilers and industrial furnaces. Additionally, we also offer the ceramic round packing 'D5800-M'. Please feel free to contact us when you need it. 【Specifications】 ■ Heat resistance temperature: 400℃ ■ Dimensions (mm) ・Nominal diameter: 6.4 to 30.0 *For more details, please download the PDF or feel free to contact us.

We would like to introduce our glass cloth gasket "D5400." This gasket is made by applying natural rubber to glass cloth and shaping it into a specified form. We also offer a baked-on anti-seizing treatment product (graphite treatment) "D5400-G," which improves the release properties with other materials through graphite treatment, making maintenance and replacement easier. Please feel free to contact us when you need it. 【Specifications】 ■ Thickness: t1.6・t3.2～(1 ply t1.6) ■ Safe operating temperature: 400℃ ■ Natural rubber applied to glass cloth *For more details, please download the PDF or feel free to contact us.

■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.

■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.

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.

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.

Overview of Processing Example Product Name: Small Diameter Gasket Dimensions: Outer Diameter 64φ × Inner Diameter 43φ × Thickness 6t This example involves the production of a small diameter gasket used at the upper part of a guide tube. In addition to the small outer and inner diameter dimensions, mass production capability was required. As a product for the industrial equipment sector, stability of dimensions and reproducibility of processing are emphasized, assuming use in high-temperature environments. By adopting laser processing, which ensures precision without the use of molds, stable quality is maintained even during mass production. Product Features (D5800) Exhaust gases, combustion gases, hot air, etc., duct flanges, manhole gaskets. Biodegradable fiber cloth compliant with RCF regulations is used. There are processing methods such as sewing, and large diameter processing is possible. It is used for high-temperature duct seals.

■Overview of Processing Example Dimensions: φ234 × φ165 P190 This case is a processing example of the D5800 graphite-filled gasket used in the flange part of electric furnace equipment. It features a ring shape with six φ14 mounting holes, requiring assembly precision. By adopting laser processing, dimensional reproducibility of the inner and outer diameters and hole pitch is ensured, contributing to stable construction on-site. ■Product Features (D5800) 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.

Overview of Processing Example Product Name: Flange Gasket for High-Temperature Ducts Dimensions: Equivalent to JIS 10K-80A (Thickness 4mm) This example involves the processing of a gasket for duct flanges used in high-temperature exhaust equipment. Dimensional accuracy and positional reproducibility during installation were required for the circular shape, which includes bolt holes. By adopting laser processing without molds for products related to piping and equipment, we enable shape modifications and small lot production while ensuring stable processing quality. Product Features (D5800RCF) Exhaust gases, combustion gases, hot air, etc., for duct flanges and manhole gaskets. Uses biocompatible, biodegradable fiber cloth that complies with RCF regulations. Various processing methods, including sewing, are available, allowing for large-diameter processing. Used for high-temperature duct seals.

We would like to introduce a case where we manufactured a heat-resistant gasket for duct flanges from the biocompatible fiber cloth "D5800," which complies with RCF regulations, at the request of our customer. Using our laser processing machine, we precisely cut the material to the dimensions and shapes specified by the customer. Since we apply a rubber coating, we can achieve a clean finish without fraying, even with materials that are prone to unraveling like cloth. 【Processing Features】 ■ Clean cut edges without fraying ■ No molds required, accommodating various types ■ High-precision processing *For more details, please download the PDF or feel free to contact us.

We would like to introduce our ceramic round packing 'D5800-M'. It is made by braiding glass fibers and ceramic fibers into a rope, designed for thermal insulation and heat resistance. It is used for sealing in boilers and industrial furnaces. We also have the glass round packing 'D5400-M' available. Please feel free to contact us if you need any assistance. 【Specifications】 ■ Heat resistance temperature: 800℃ ■ Dimensions (mm) ・Nominal diameter: 6.4 to 30.0 *For more details, please download the PDF or feel free to contact us.

We would like to introduce our ceramic ribbon 'D5800-R'. The heat resistance temperature is 800°C, with dimensions of thickness starting from 4mm, width starting from 25mm, and length starting from 30mm. Additionally, we offer various textile products, including the glass ribbon 'D5400-R' with a heat resistance temperature of 400°C, glass round packing 'D5400-M', and ceramic round packing 'D5800-M'. 【Specifications】 ■ Heat resistance temperature: 800°C ■ Dimensions (mm) ・Thickness: from 4 ・Width: from 25 ・Length: from 30 *For more details, please download the PDF or feel free to contact us.

We would like to introduce our biocompatible dissolvable cross gasket, "D5800." With the enforcement of regulations regarding Refractory Ceramic Fibers (RCF), there are now restrictions on the use of ceramic cloth. Our company has transitioned from traditional ceramic cloth to RCF-compliant biocompatible dissolvable cloth. We also offer a baked-on anti-seizing treatment product (graphite treatment) called "D5800-G." 【Specifications】 ■ Thickness: t2・t4～(1 ply t2) ■ Safe operating temperature: 800℃ ■ Contains SUS metal ■ Natural rubber coated on biocompatible dissolvable cloth *For more details, please download the PDF or feel free to contact us.