... Elastic rubber o-ring:1)Strictly according to the ASTM20052)Excellent Chemical and physical property3)Long use life and excellent compression ... , y-ring, u-ring, x-ring, rubber gasket and all kinds of rubber itemsPlace of originXiamen, China Features has a good ... low temperature, oil, water, tensile, elongation, and has a good compression set, etc. MaterialNBR, EPDM, SILICONE(MVQ), Viton(FPM), HNBR, ...