... -rings 1) Materials: NBR, NR, FPM, MVQ, EPDM, Silicone 2) High/low temperature-resistant, wearing resistant, oil-resistant o-rings features: ... as the goal , we are devoted to providing customers with solutions for rubber airproof products,committed to becoming the field ... leader of precision rubber products and world supplier of various special rubber products. If you like our products, please ...