Nitrile Rubber ORings 55mm OD 47mm ID 4mm Width, Metric Sealing Gasket for Au…
[Nitrile Rubber] – Standard Nitrile Butadiene Rubber with a wide temperature range from -4℉ (-20°C) to 212℉ (100°C). The o rings has smooth surface, great oil and heat resistance, wear-resistant and good sealing performance.