ダイコー List of Products and Services

We would like to introduce the 'TOMBO No.9007LC' that we handle. This product was developed to prevent the creep phenomenon, which is a weakness of PTFE. It has a usage temperature range of -100℃ to 200℃ and a maximum operating pressure of 3MPa (30K). Please feel free to contact us when you need assistance. 【Features】 ■ Developed to prevent the creep phenomenon, which is a weakness of PTFE ■ Excellent heat resistance *For more details, please download the PDF or feel free to contact us.

• Sealing

We would like to introduce our "Transparent and Two-Color Gauge Glass" that we handle. Using our own processing equipment and abundant inventory, we can accommodate orders for just the packing or changes in the type of packing. Please feel free to consult us regarding materials. 【Lineup (partial)】 ■No.0/90mm ■No.1/115mm ■No.2/140mm ■No.3/165mm ■No.4/190mm ■No.5/220mm *For more details, please download the PDF or feel free to contact us.

• Other measurement, recording and measuring instruments
• Glass

We would like to introduce the "Reflective Gauge Glass" that we handle. Using our own processing equipment and abundant inventory, we also accept orders for just the packing or changes in the type of packing. Please feel free to consult us regarding materials. 【Lineup (partial)】 ■No.0/90mm ■No.1/115mm ■No.2/140mm ■No.3/165mm ■No.4/190mm ■No.5/220mm *For more details, please download the PDF or feel free to contact us.

• Other measurement, recording and measuring instruments
• Glass

The "Omron BS-1" is an electrode holder component for checking the water level in a tank. It can be used for applications involving wastewater, saltwater, acidic solutions, high temperatures, and high pressures. Please feel free to contact us when you need assistance. 【Specifications】 ■ Operating temperature: 250℃ ■ Operating pressure: 1.96MPa *For more details, please download the PDF or feel free to contact us.

• Other measurement, recording and measuring instruments

We would like to introduce our "Eagle Mark Boiler Paint." By applying it to equipment such as boilers and pressure vessels, it forms a strong coating that serves as an insulating layer and exhibits corrosion prevention and rust-proofing effects. We also handle thinners. Please feel free to contact us. 【Features】 ■ Forms a strong coating that acts as an insulating layer ■ Prevents the progression of corrosion ■ Exhibits corrosion and rust-proofing effects *For more details, please download the PDF or feel free to contact us.

• paint
• boiler

We would like to introduce the "Magnesium Anode" that we handle. Through electrochemical action, it prevents corrosion of the hot water tank body. Magnesium dissolves in the hot water and protects the water contact area of the tank body. Please feel free to contact us when you need assistance. 【Other Related Component Lineup】 ■ Copper Gaskets / Metal Gaskets ■ Silicone Rubber Manhole Gaskets ■ Paste ■ Boiler Paint ■ Omron BS-1 *For more details, please download the PDF or feel free to contact us.

• Other metal materials

We would like to introduce the "Gasket Paste" that we handle. It is a sealing auxiliary agent used to enhance the sealing properties of gaskets and to prevent seizing. Please feel free to contact us when you need it. 【Other Related Component Lineup】 ■ Copper Gaskets / Metal Gaskets ■ Silicone Rubber Manhole Gaskets ■ Magnesium Anodes ■ Boiler Paint ■ Omron BS-1 *For more details, please download the PDF or feel free to contact us.

• Sealing
• Coating Agent

We would like to introduce our "Silicone Rubber Manhole Packing." It is designed for pressure vessels and is made of a flexible material, allowing for smooth installation. Please feel free to contact us when you need assistance. 【Specifications】 ■Dimensions: t10 φ360×φ330 *For more details, please download the PDF or feel free to contact us.

• Sealing

We would like to introduce the "copper packing and metal packing" that we handle. Metals are generally perceived as hard materials, but they are often used as sealing materials as well. The reason for their wide industrial use lies in the good balance between strength and ease of processing. Please feel free to contact us when you need assistance. 【Other related component lineup】 ■ Silicone rubber manhole packing ■ Paste ■ Magnesium anode ■ Boiler paint ■ Omron BS-1 *For more details, please download the PDF or feel free to contact us.

• Sealing

The "Vulcan Spiral Wound Gasket" is a product that maintains stable sealing performance over a wide range. Even under harsh conditions such as thermal cycles and pressure cycles, it suppresses leakage and damage. Its low adhesion to flanges makes cleaning easy, and replacement work can be carried out smoothly. Please feel free to contact us when needed. 【Features】 ■ Withstands high temperature and high pressure conditions, maintaining excellent sealing performance even with sudden changes in usage conditions. ■ Easy to clean due to low adhesion to flanges. ■ Allows for smooth gasket replacement work. *For more details, please download the PDF or feel free to contact us.

• Sealing

The "Nichias Vortex Gasket" is a type of semi-metallic gasket commonly referred to as a spiral-shaped gasket. Due to its unique structure, it can be used under high temperature and high pressure conditions similar to metal gaskets. It exhibits excellent sealing performance and is adopted in a wide range of piping and equipment. Please feel free to contact us when you need assistance. 【Features】 ■ Alternately laminated metal thin strips (hoops) with a V-shaped cross-section and non-metallic cushioning material (filler) ■ The beginning and end of the coil are firmly fixed with welding ■ Four types of shapes tailored to the gasket seat of the corresponding flange *For more details, please download the PDF or feel free to contact us.

• Sealing

"Glass-filled PTFE" is a standard PTFE gasket that contains glass fiber as a filler material. Compared to regular PTFE, it can be used at high temperatures. It can improve wear resistance while maintaining a low friction coefficient. Additionally, it can be used as an electrical insulating material. 【Features】 ■ Contains glass fiber as a filler material ■ Can be used at high temperatures compared to regular PTFE ■ Improves wear resistance while maintaining a low friction coefficient ■ Usable as an electrical insulating material *For more details, please download the PDF or feel free to contact us.

• Sealing

"Filled PTFE" is a product developed to suppress the creep phenomenon, which is a weakness of PTFE. By incorporating inorganic fillers, heat resistance is improved. It demonstrates its performance in various chemical piping applications, leveraging its superior heat resistance compared to standard PTFE. Please feel free to contact us when you need assistance. 【Features】 ■ Suppresses the creep phenomenon, which is a weakness of PTFE ■ Incorporates inorganic fillers to enhance heat resistance ■ Superior heat resistance compared to standard PTFE *For more details, please download the PDF or feel free to contact us.

• Sealing

The "PTFE Cushion" is a product that features a PTFE outer layer and uses a joint sheet or heat-resistant millboard with excellent elasticity and flexibility as the core material. It combines the chemical resistance of PTFE with the sealing properties of sheet gaskets. Additionally, there is a type that is shaped like a U to prevent liquid accumulation. Please feel free to contact us when you need assistance. 【Features】 ■ PTFE outer layer ■ Core material made of joint sheet or heat-resistant millboard with elasticity and flexibility ■ Combines the chemical resistance of PTFE with the sealing properties of sheet gaskets ■ Available in a U-shaped design to prevent liquid accumulation *For more details, please download the PDF or feel free to contact us.

• Sealing

This product is a gasket material made from punched PTFE. It has excellent chemical resistance and also offers superior electrical insulation. However, there is a possibility of creep phenomena occurring in high-temperature environments. Please be aware that the material may undergo plastic deformation and elongation, which can lead to bolt loosening. 【Features】 ■ Punched PTFE ■ Excellent chemical resistance ■ Superior electrical insulation *For more details, please download the PDF or feel free to contact us.

• Sealing

The "SGM Gasket" is a 100% PTFE gasket for process piping and equipment flanges that excels in chemical resistance and heat resistance, combining strength and flexibility. Made from high-strength expanded PTFE, this fluororesin gasket is soft and has excellent conformability, allowing it to easily seal even on slightly uneven surfaces, and it can also be used as an insulating gasket. Please feel free to contact us when you need assistance. 【Features】 ■ Excellent chemical resistance and heat resistance ■ Combines strength and flexibility ■ 100% PTFE ■ Made from high-strength expanded PTFE ■ Soft and has excellent conformability, easily sealing on slightly uneven surfaces ■ Usable as an insulating gasket *For more details, please download the PDF or feel free to contact us.

• Sealing

"TOMBO No.9096" is a soft PTFE-based gasket that offers excellent chemical resistance and insulation properties, along with heat resistance and flexibility. This product significantly improves the original sealing performance. It has very high flexibility and greatly enhances heat resistance compared to standard PTFE gaskets. Please feel free to contact us when you need assistance. 【Features】 ■ Very soft ■ Easy to install on complex sealing surfaces with adhesive tape *For more details, please download the PDF or feel free to contact us.

• Sealing

"TOMBO No.9096-S" is a soft-type PTFE gasket. It has excellent chemical resistance and insulation properties, combined with heat resistance and flexibility, significantly improving its sealing capability. It possesses the required characteristics for gaskets in a well-balanced manner at a high level, making it suitable for a wide range of applications. 【Features】 ■ Soft-type PTFE gasket ■ Extremely high flexibility ■ Significantly improved heat resistance compared to general PTFE gaskets ■ Well-balanced characteristics at a high level ■ Usable in a wide range of applications *For more details, please download the PDF or feel free to contact us.

• Sealing

The "Spatter Sheet" has excellent heat resistance compared to untreated carbon sheets and contains no asbestos. It is flexible and easy to handle, and is resistant to bending and friction. It can be used as a protective material on job sites. Due to its high instantaneous heat resistance, it can be used in various environments. The resin processing repels sparks and provides water repellency and thermal insulation, and it comes with eyelets for easy installation. 【Features】 ■ Made from 100% glass fiber with a silicone resin coating ■ High instantaneous heat resistance allows for use in various environments ■ Resin processing repels sparks and provides water repellency and thermal insulation ■ Comes with eyelets for easy installation *For more details, please download the PDF or feel free to contact us.

• Other safety and hygiene products

"Carbon sheet" is a non-asbestos textile made from acrylic fibers, woven in a plain weave with fibers that have been carbonized through heat treatment. Since it contains no asbestos at all, it is considerate of human health and the environment, and can be easily cut and processed. It can be utilized as a cost-effective heat-resistant and flame-retardant material for ensuring safety in on-site work and protecting equipment. [Features] - 100% carbonized fibers used, providing non-combustibility and fire resistance - Lightweight, making it easy to transport and work with on-site - No toxic gas generation or skin irritation *For more details, please download the PDF or feel free to contact us.

• Other safety and hygiene products

This product is a metal gasket developed based on a rational design for high-temperature and high-pressure flange sealing materials. It maintains stable sealing performance over a wide range and does not easily cause leakage or damage even under harsh conditions such as thermal cycles, pressure cycles, and thermal pressure in piping systems. Please feel free to contact us when you need assistance. 【Features】 ■ Withstands high-temperature and high-pressure conditions, maintaining excellent sealing performance even when usage conditions change rapidly. ■ Low adhesion to flanges makes cleaning easy and allows for smooth gasket replacement work. * For more details, please download the PDF or feel free to contact us.

• Sealing

This product is a type of semi-metallic gasket commonly referred to as a spiral wound gasket. Due to its unique structure, it can be used under high temperature and high pressure conditions similar to metal gaskets, while demonstrating excellent sealing performance. It is widely adopted in piping and equipment across a broad range of fields. Please feel free to contact us when you need assistance. 【Features】 ■ A spiral structure made by alternately layering a V-shaped cross-section metal strip (hoop) and a non-metallic cushioning material (filler), which are then securely welded at the beginning and end of the spiral. ■ Four types of shapes are available to match the gasket seating of the target flange: basic shape, with inner and outer rings, with outer ring, and with inner ring. *For more details, please download the PDF or feel free to contact us.

• Sealing

We would like to introduce the "D1000 Spiral Wound Gasket" that we handle. We offer three products: the "Spiral Wound Gasket with Inner and Outer Rings," which allows for easy centering of the gasket due to the outer ring; the "Spiral Wound Gasket with Outer Ring," used in joints that do not require the pressure resistance of the type with inner and outer rings; and the "Basic Diameter Spiral Wound Gasket," used in various pressure vessel covers. We can also manufacture oval shapes and dimensions outside of standard specifications. We can accommodate urgent maintenance needs for valves, such as basic types or those with only inner rings. 【Product Lineup】 ■ Spiral Wound Gasket with Inner and Outer Rings ■ Spiral Wound Gasket with Outer Ring ■ Basic Diameter Spiral Wound Gasket ■ Oval Spiral Wound Gasket (Special Dimensions) ■ Spiral Wound Gasket with Inner and Outer Rings (Special Dimensions) *For more details, please download the PDF or feel free to contact us.

• Sealing

This product is a spiral wound gasket that uses PTFE tape as the filler material. Thanks to the excellent chemical resistance and corrosion resistance of PTFE, it is suitable for acidic fluids and corrosive fluids that are difficult to handle with non-asbestos or graphite-based gaskets. Please feel free to contact us when you need assistance. 【Specifications】 ■ Maximum pressure: 29.4 MPa (300 kgf/cm²) ■ Temperature range: -260 to 300℃ *For more details, please download the PDF or feel free to contact us.

• Sealing

This product is a spiral wound gasket made with graphite (graphitic material) tape as the filler material. Due to the properties of graphite-based materials, it maintains excellent sealing performance even under harsh conditions where temperature cycles from high to low are repeated. Please feel free to contact us when you need assistance. 【Specifications】 ■ Maximum pressure: 29.4 MPa (300 kgf/cm²) ■ Temperature range: -270 to 450℃ *For more details, please download the PDF or feel free to contact us.

• Sealing

This product is a gasket with excellent mechanical strength by inserting stainless steel plates (SUS316) into the core material. It has a heat resistance temperature equivalent to that of asbestos sheets and is also excellent in corrosion resistance. It has a long-standing high performance in Europe, where the transition to non-asbestos materials has progressed, and it is a gasket material that can be used over a wide temperature range from high temperatures to extremely low temperatures. 【Features】 ■ Excellent heat resistance and chemical resistance ■ Sealing performance and chemical resistance comparable to asbestos joint sheets ■ Excellent corrosion resistance ■ Wide operating temperature range from high to extremely low temperatures ■ Excellent compressibility *For more details, please download the PDF or feel free to contact us.

• Sealing

The "Bulker No. GF300" contains no rubber at all, making it a joint sheet for steam piping that does not undergo thermal degradation. It can also be used at high temperatures. By utilizing a flexible resin binder, we have improved brittleness and susceptibility to damage compared to expanded graphite sheet gaskets. Please feel free to contact us when you need assistance. 【Features】 ■ No hardening degradation due to heat or aging ■ Since hardening does not occur, re-tightening is possible ■ Applicable to a wide range of fluids *For more details, please download the PDF or feel free to contact us.

• Other films and sheets
• Sheets and Films

"TOMBO No.1133" is a white high-temperature resistant sheet gasket made primarily from PTFE and alumina. Since it uses alumina, which has excellent chemical resistance, there is no need to differentiate gaskets based on the type of fluid, such as acids or alkalis. Additionally, it can withstand high temperatures and high pressures, making it suitable for use in areas where electrical insulation is required. 【Standard Sizes】 ■Thickness: t1.5, t2.0, t3.0 ■Size (mm): 1270×1270 (standard) *For more details, please download the PDF or feel free to contact us.

• Other films and sheets
• Sheets and Films

We would like to introduce our steam piping joint sheet 'TOMBO No.1155'. Thanks to our unique formulation technology, we have successfully minimized the creep at high temperatures, which is a drawback of PTFE, allowing for excellent sealing performance even under high temperatures. Since PTFE is the main material, degradation at high temperatures is minimal, and it can be re-tightened as needed, ensuring safe and reliable long-term use. 【Features】 ■ High compressive strength ■ Difficult to break when installed on flanges ■ Can be installed safely *For more details, please download the PDF or feel free to contact us.

• Other films and sheets
• Sheets and Films

"TOMBO No.1120" is a non-asbestos joint sheet that can cover the practical application areas of asbestos joint sheets. It is a black sheet gasket that contains no asbestos, reinforced with aramid fibers primarily made of expanded graphite. It uses oil-resistant rubber as a binder. Please feel free to contact us when you need it. 【Features】 ■ Usable for saturated steam at 2MPa ■ Excellent heat resistance, steam resistance, and corrosion resistance ■ Resistant to scratches and highly flexible *For more details, please download the PDF or feel free to contact us.

• Other films and sheets
• Sheets and Films

"Vulcan No. 6500" is a sheet-like gasket material made by mixing a special rubber-based binder with organic and inorganic fibers and a small amount of filler, followed by rolling and vulcanization. It does not contain asbestos fibers, making it suitable as a non-asbestos alternative to asbestos joint sheets. Please feel free to contact us when you need assistance. 【Usage Range】 ■ Water-based fluid pressure resistance: 2MPa / Maximum operating temperature 160℃ ■ Oil-based fluid pressure resistance: 2MPa / Maximum operating temperature 160℃ ■ Gas-based fluid pressure resistance: 1MPa / Maximum operating temperature 160℃ *For more details, please download the PDF or feel free to contact us.

• Other films and sheets
• Sheets and Films

We would like to introduce our general piping joint sheet 'TOMBO No.1995'. This is a brown non-asbestos joint sheet that contains no asbestos, made by adding inorganic fillers to inorganic fibers and aramid fibers, with oil-resistant synthetic rubber as a binder. The sealing thickness is 1.5mm, and the shape used is a ring type (FR). In cases where maintenance is difficult, vortexes and other methods may be used. 【Usage Range】 ■ Water-based fluid pressure resistance: 2MPa / Maximum operating temperature 183℃ ■ Oil-based fluid pressure resistance: 2MPa / Maximum operating temperature 183℃ ■ Gas-based fluid pressure resistance: 1MPa / Maximum operating temperature 183℃ *For more details, please download the PDF or feel free to contact us.

• Other films and sheets
• Sheets and Films

The "MG Mighty Cover" is a thermal insulation tube that is lightweight, resistant to bending, and has excellent thermal insulation, heat resistance, and non-combustibility. It has low halogen content, making it excellent for preventing stress corrosion cracking in stainless steel. Please feel free to contact us when you need assistance. 【Features】 ■ Snap-on type for excellent installation workability ■ Uses rock wool as the base material ■ Possesses excellent thermal insulation performance and heat resistance ■ Non-combustible material ■ Products with ALGC coating on the exterior are also available *For more details, please download the PDF or feel free to contact us.

• others

The "MG Board" is an insulation material that excels in thermal insulation and sound absorption. It is made by adding heat-curing resin as a binder to rock wool and forming it into board shapes, available in JIS grades 1 to 3. Additionally, the surface material of MG Board 080 is treated with ALGC (aluminum glass cloth). 【Features】 ■ Excellent thermal insulation and sound absorption ■ Lightweight and highly flexible, making it easy to handle and process ■ Excellent heat resistance ■ Greatly contributes to energy conservation due to its superior insulation properties ■ Designated as a recycling wide-area contractor *For more details, please download the PDF or feel free to contact us.

• others

We would like to introduce a case study of our manhole product processing. A natural rubber coating is applied to a biocompatible dissolvable cloth containing SUS metal, which is then molded into a specified shape. This product can be used as a gasket for combustion equipment such as exhaust gases. Please feel free to contact us when you need our services. 【Case Overview】 ■Features: A gasket molded into a specified shape with a natural rubber coating on a biocompatible dissolvable cloth containing SUS metal. ■Applications: Gaskets for combustion equipment such as exhaust gases. ■Safe Operating Temperature: 800℃ *For more details, please download the PDF or feel free to contact us.

• Sealing

We would like to introduce a case study of the processing of core-in gas gaskets (Type P) that we conducted. Natural rubber is applied to glass cloth and molded into a specified shape. These gaskets are used in applications such as doors of furnaces and dryers, dampers, exhaust gas systems, and ducts. Please feel free to contact us when you need assistance. 【Case Overview】 ■ Features: Gasket molded into a specified shape with natural rubber applied to glass cloth ■ Applications: Doors of furnaces and dryers, dampers, exhaust gas systems, ducts, and manholes ■ Safe Operating Temperature: 400℃ *For more details, please download the PDF or feel free to contact us.

• Sealing

We would like to introduce a case study of duct products processed by our company. Natural rubber is applied to glass cloth and molded into a specified shape. This product is for ducts used in incinerators and dryers. Please feel free to contact us when you need our services. 【Case Overview】 ■Features: Gasket molded into a specified shape with natural rubber applied to glass cloth ■Application: Gasket for ducts in incinerators and dryers ■Safe Operating Temperature: 400℃ *For more details, please download the PDF or feel free to contact us.

• Sealing

We would like to introduce our "Ceramic Yarn Rope (Biodegradable)" that we handle. We offer five sizes ranging from 3.2mm to 12.7mm. The lengths (M) available are 200 to 12. Please feel free to contact us when you need to place an order. 【Specifications】 ■ Sizes: 3.2, 4.8, 6.4, 9.6, 12.7 ■ Lengths (M): 200, 90, 50, 23, 12 *For more details, please download the PDF or feel free to contact us.

• Ceramics

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.

• Glass
• Sealing

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.

• Sealing
• Ceramics

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.

• Sealing
• Glass

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.

• Sealing
• Ceramics

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.

• Sealing
• Glass

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.

• Ceramics
• Sealing

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.

• Glass
• Sealing