rubber product (o-ring) 1) Materials: NBR, NR, FPM, MVQ, EPDM, Silicone 2) High/low temperature-resistant, wearing resistant, 1. rubber product features : 1) Product name: o-ring2) Materials: NBR, NR, FPM, MVQ, EPDM3) Characteristics: high/low temperature-resistant, wearing-resistant, oil-resistant4) Specifications: State standard and non-state standard sizes are available5) Colors: black, blue, ...