High Resilience Natural Rubber O Ring, Custom Size Rubber Ring, Multiple Rubber Materials Optional, Abrasion Resistant Seals for Hydraulic Non-oil Working Conditions

O ring seals are rubber seals or rubber rings used across diverse industries for a wide range of sealing applications. They are highly effective at sealing against liquids, gases, chemicals, and other elements. O ring seals provide excellent chemical resistance and are available in various shapes and sizes to meet the demands of virtually any application. Featuring low compression set, varying tensile strength, and non-flammable properties, they are ideal for automotive, aerospace, marine, and general industrial sealing. Durable, reliable, and long-lasting, they are an excellent choice for any sealing requirement.

• Made of premium natural rubber (NR) with excellent resilience and high elasticity.
• Outstanding tear resistance and good abrasion resistance under low to medium pressure.
• Great vibration damping and shock absorption performance.
• Good sealing property for water, dilute aqueous solutions, and non-oil media.
• Flexible and easy to install, suitable for static and mild dynamic sealing.
• Wide size range available; other optional materials include NBR, FKM, EPDM, and Silicone for different working conditions.
• Cost-effective for general non-oil industrial sealing applications.

• Suitable for sealing of pneumatic equipment, water pipelines, and water supply systems.
• Widely used in general machinery for shock absorption, vibration isolation, and buffering.
• Applied in food machinery, textile equipment, and light industrial machinery sealing under non-oil conditions.
• Used for static and light dynamic sealing in agricultural machinery and conveyor equipment.
• Ideal for assembly sealing in hand tools, instruments, and small mechanical components.
• Replacement spare parts for equipment maintenance where no mineral oil or strong ozone exists.

We hold the following certifications: ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, IATF, FDA, REACH, ROHS, SGS, and more.

For color, we can manufacture according to customer requirements. If you need colored O rings, simply provide us with a Pantone number, and we will match it precisely.

We also produce automotive rubber seals, connector rubber seals, power tool rubber seals, valve rubber seals, pipe rubber seals, semiconductor rubber seals, hydraulic pneumatic rubber seals, pump rubber seals, oil and gas seals, food-grade rubber seals, medical rubber seals, chemical equipment rubber seals, and more.

• Since 2006, focused on rubber seals, especially for auto parts.
• Certificates: ISO 9001, IATF 16949, ISO 14001, ISO 45001, ISO 13485.
• Two factories covering more than 18,000 m², including a 600 m² clean room, with over 300 workers.
• More than 10,000 mold sets, including approximately 5,000 sets for O rings.
• O-ring series covers American standard (AS568), Japanese standard (JIS), national standard (GB), and a large number of customized non-standard parts.
• Materials: NBR, FKM, SIL, EPDM, CR, NR, PU, HNBR, FFKM, SBR. Rubber materials meet ROHS 2.0 and REACH 235 requirements.
• Material certificates: FDA, ROHS, REACH, UL157, CP65, WRC, EN549, EN45545.
• Products are widely used in automotive parts, electronic connectors, valves, pneumatics, power tools, new energy, medical equipment, electronic products, and other fields.
• Company has introduced HRP, ERP, and other systems since its inception.
• Labor cost, raw material procurement, production process, and product quality are comprehensively and scientifically controlled.

Ruichen has cooperated with many superior customers. We maintain a complete system and excellent productivity to serve you.

We provide rubber manufacturing technology consultation and product R&D (OEM & ODM).

• Cheap mold fee.
• Rubber molding for any size or shape — possible to make.
• Custom personalized logo accepted.
• Over 10,000 kinds of custom molded rubber established and consummated.
• Various materials: Silicone, EPDM, NBR, FKM (Viton), HNBR, NR, Neoprene (CR), SBR, MPU, etc.
• Different hardness: 30 to 90 Shore A.
• Various colors: translucent, black, white, blue, green, red, etc.

Many big companies select Ruichen for their rubber seals and customized rubber parts because we always satisfy them in quality, price, delivery, and service. At the same time, we also attach great importance to small customers in niche markets. Whether your purchase quantity is big or small, you are our valuable partner.