50pc Black Nitrile Butadiene Rubber NBR O-Ring 5.8mm Inner Dia 1.9mm Width 16 saat ago0CommentsFeatures:1. They are round in cross-section. For use across a wide temperature range from -4℉ (-20°C) to 212℉ (100°C).2. Nitrile has good mechanical properties when compared with other elastomers and…Read More