China Customized Rubber O Rings Manufacturers Suppliers Factory - Wholesale Service

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Rubber O-rings are annular sealing devices, usually made of rubber or rubber-like materials. The main role of the rubber O-ring is to provide a seal between two parts in relative motion to prevent liquid, gas or solid particles from entering critical parts of the system or equipment. This design has excellent flexibility and can be adapted to a variety of sealing surfaces, ensuring stable sealing performance under different operating conditions.

Custom High Precision Rubber Seals O-ring
Brand: Best SealPlace of Origin: Xiamen, ChinaCertification: ISO 9001, CE, UL, FDA, NSF, WRAS, RoHS, REACH, SGSMaterial: NBR / EPDM / Silicone / FKM (Viton®) / PTFE (others on request)Hardness: 20–90
Flexible MOQ Custom O-Ring
MOQ: Starting from 1 Piece (Flexible MOQ Policy) . Mold Library: 10,000+ Standard & Special Size Molds Available . Materials: NBR, EPDM, FKM, Silicone, HNBR, FFKM, PTFE, TPR . Size Standards: AS568,
Syringe Plunger O-Ring
Origin: Xiamen, ChinaCompliance & Testing Capability: FDA-compliant materials; ISO 13485 project support; ISO 10993 & USP Class VI testing available upon requestMaterials: Medical-grade Butyl Rubber
PTFE Coated Hollow O-Rings
Brand: Best SealOrigin: Xiamen, ChinaCertifications: ISO 9001, CE, UL, FDA, NSF, WRAS, RoHS, REACH, SGSMaterial: Hollow rubber core (NBR / EPDM / FKM / etc.) with colored PTFE coatingHardness:
Water Filter Housing O-Rings
Material Options: EPDM (Best for Municipal Water), NBR (Buna-N), Silicone, FKM . Hardness: 70 Shore A (Standard for Filter Housings) . Temperature Range: -40°C to +120°C (NBR) | -50°C to +150°C
Metric FFKM O-Rings – 90 Shore A
Brand: Best Seal. Place of Origin: Xiamen, China. Certification: ISO 9001, CE, UL, FDA, NSF, WRAS, RoHS, REACH, SGS. Material: Premium Perfluoroelastomer (FFKM). Hardness: 60–90 Shore A, customizable
O-Ring For Faucet
Brand: Best SealPlace of Origin: Xiamen, ChinaCertification: ISO 9001, CE, UL, FDA, NSF, WRAS, RoHS, REACH, SGSMaterial: High-Grade NBR (Nitrile Butadiene Rubber)Hardness: 40–90 Shore A,
Premium O-Rings for Sanitary
Compliance: FDA 21 CFR 177.2600, NSF-61/51, 3-A, USP Class VI . Materials: High-Purity Silicone (VMQ), Peroxide EPDM, FKM, FFKM . Sterilization Resistance: Full CIP (Alkaline/Acid) & SIP (Steam)
Food grade silicone rubber o-rings
Brand: Best SealOrigin: Xiamen, ChinaMaterial: High-quality Silicone (VMQ) – FDA / NSF / RoHS compliantHardness: 20–90 Shore ATemperature Range: -60°C ~ +230°CSize Range: AS568 / Metric /
Fuel Injector O-rings
Brand: Best SealOrigin: Xiamen, ChinaCertifications: ISO 9001, RoHS, REACH, SGSMaterial: High-grade FKM / HNBR / NBR (fuel-resistant formulations)Hardness: 60–90 Shore ATemperature Range: -40°C to
O-Rings For Hydraulic Brake Systems
Brand: Best SealOrigin: Xiamen, ChinaCertifications: ISO 9001, RoHS, REACH, SGSMaterial: High-grade NBR / HNBR / Viton (compatible with brake fluids)Hardness: 70–95 Shore ATemperature Range: -40°C to
NBR O-Rings For Bicycle Disc Brakes & Hydraulic Applications
Brand: Best SealPlace of Origin: Xiamen, ChinaCertification: ISO 9001, CE, UL, FDA, NSF, WRAS, RoHS, REACH, SGSMaterial: Premium NBR (Nitrile Butadiene Rubber)Hardness: 40–95 Shore A,

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As one of the most professional rubber o rings manufacturers and suppliers in China, we're featured by good service and competitive price. If you're going to wholesale customized rubber o rings made in China, welcome to get more information from our factory.

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