... REACH, FDA , PAHS, WRAS, etc. 4. Heat resistant. We are professional rubber products supplier certified to ISO9001:2008 ... household rubber seal, medical rubber seal, etc. Description of Wear Resistant NBR X-ring Seal: 1. Materials: NBR, also ... FKM, FPM, etc. 2. Characteristics: oil proof, aging resistant, heat resistant, wear resistant, chemical resistant, anti-corrosion, etc. 3. Hardness: 30~90 shore ...