三協ゴム List of Products and Services

We would like to introduce our automotive "Element Gasket." This product emphasizes the importance of the lip section that prevents external intrusion, and the materials used are HNBR, PVC, and PVCNBR. Our company offers high-quality rubber products with advanced technology. Please feel free to contact us when you need assistance. 【Materials Used】 ■ HNBR, PVC, PVCNBR *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Rubber

We would like to introduce the "Grommet" that we handle. The material is selected based on the customer's usage conditions, but a soft EP-10° material is used. Our company offers high-quality rubber products with advanced technology. Please feel free to contact us when you need assistance. 【Features】 ■ Made with soft EP-10° material *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Rubber

We would like to introduce our "Boots, Hoses, and Bellows" product line. We offer a variety of shapes starting from extremely small (2mm) products, which can be used for fuel hoses, intake hoses, lever covers, and more. Our company proposes high-quality rubber products with advanced technology. Please feel free to contact us when you need assistance. 【Materials Used】 ■ Boot for automotive brake applications = EPDM (heat and oil resistant) ■ Fuel hoses: Fluorine, PVCNBR ■ Lever covers, etc.: EPDM, CR *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Rubber

We would like to introduce our range of "Cushions/Stops." We offer various shapes of products starting from ultra-small (2mm) sizes. The materials are selected based on durability, including EPDM, CR, and silicone. Our company proposes high-quality rubber products with advanced technology. Please feel free to contact us when you need assistance. 【Materials Used】 ■ Selected based on durability, including EPDM, CR, and silicone. *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Rubber

We would like to introduce our "Door Switch" that we handle. The material used is CR (for door switches) with a hardness of 40. It has average properties such as weather resistance, ozone resistance, heat resistance, and chemical resistance, making it suitable for general industrial products. Our company offers high-quality rubber products with advanced technology. Please feel free to contact us when you need assistance. 【Specifications】 ■ Material used: CR (for door switches) ■ Hardness: 40 *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Rubber

We would like to introduce our "Mount Rubber." This product has a heat resistance of 150°C and can be used as mount rubber for automotive engine rooms. Our company offers high-quality rubber products with advanced technology. Please feel free to contact us when you need assistance. 【Specifications】 ■ Material: EPDM ■ Hardness: 70 ■ Aging resistance: Heat resistance of 150°C ■ Compression set: 150°C × 70h 25% or less *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Rubber

We would like to introduce our "Hose Duct" that we handle. This product, made of EPDM material, has high airtightness (gas leakage) and undergoes leak testing due to important safety components. Our company offers high-quality rubber products with advanced technology. Please feel free to contact us when you need assistance. 【Specifications】 ■ Material used: EPDM ■ Hardness: 50 ■ Testing: Leak testing conducted due to important safety components *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Rubber

We would like to introduce our "Insert Molding Group." To maintain the shape firmly, metal fittings are used on the inner surface of the shape, and when flexibility of rubber is required on the surface, insert molding like this is applied. The main materials used are EPDM, CR, natural rubber, silicone, and acrylic, and they are used for stoppers, protectors, cushions, joint hoses, etc. [Main Materials Used] ■ EPDM, CR, natural rubber, silicone, acrylic *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Rubber

We would like to introduce our "Level Gauge" that we handle. This product is a level gauge for automotive transmission and lifts with strong adhesive properties. The materials used are ACM for automotive applications and NBR for lifts, with hardness ratings of 70 for automotive and 60 for lifts. 【Specifications】 ■ Material: Automotive = ACM, Lift = NBR ■ Hardness: Automotive = 70, Lift = 60 *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Rubber

We would like to introduce the "Hose for SUBTANK / HOSE DRAIN" that we handle. The "Hose for SUBTANK" is made of EPDM, a product that is heat-resistant and oil-resistant, with a compression set of 25% or less at 120°C for 70 hours. The "HOSE DRAIN," used for automotive air conditioning drain hoses, has a hardness of 50 and 60, is highly heat-resistant, and is a complex-shaped (3D) product. 【Specifications for Hose for SUBTANK】 ■ Material: EPDM ■ Hardness: 70, 50 ■ Aging resistance: Heat resistance characteristic at 120°C ■ Compression set: 25% or less at 120°C for 70 hours ■ Oil resistance: Ethylene glycol 50% / pure water 50% at 100°C for 70 hours *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Rubber

We would like to introduce the "colored products" that we handle. Mainly, we offer industrial gaskets and air conditioning hose joints, and we also produce parts for automobiles. The materials used include heat-resistant and general silicone for gaskets, EPDM for hose joints, and the green products contain phosphorescent materials in the silicone. 【Materials Used】 ■ Gaskets: Heat-resistant and general silicone ■ Hose Joints: EPDM ■ Others: Green products contain phosphorescent materials in silicone *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Rubber

We would like to introduce our "Piston Seal" for automotive brakes. The material used is EPDM with a hardness of 70. The oil resistance is rated for brake fluid at 150°C for 70 hours. Our company offers high-quality rubber products with advanced technology. Please feel free to contact us when you need assistance. 【Specifications】 ■ Material: EPDM ■ Hardness: 70 ■ Aging resistance: Heat resistance at 150°C ■ Compression set: 150°C for 22 hours, 30% or less ■ Oil resistance: Brake fluid at 150°C for 70 hours ■ Processing method: Molding → Slitting ■ Precision tolerance product of ±0.06mm minimum *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Rubber

Our company manufactures and sells rubber products for vehicles, rubber products for industrial and machine tools, and rubber products for civil engineering and construction. We can also procure processed rubber sheets and other items through our domestic network of partner companies. Together with our partner companies both domestically and internationally, we respond to various materials and global needs. Additionally, our company is engaged in sustainability efforts such as resource conservation, waste reduction, and compliance with laws, regulations, and guidelines. Please feel free to consult us if you have any requests. 【Product Examples】 ■ Piston seals ■ Hoses for SUBTANK ■ Level gauges ■ Insert molding group ■ Hose ducts, etc. *For more details, please download the PDF or feel free to contact us.

• Contract manufacturing