... : Material: Rubber/Silicone Any color available Silicone rubber O-ring for medical parts:1)Strictly according to the ASTM20052)Excellent Chemical ... welcomed5) Various in size and colour ProductsRubber o-ring, y-ring, u-ring, x-ring, rubber gasket and all kinds of rubber itemsPlace ... has a good resistant of high and low temperature, oil, water, tensile, elongation, and has a good compression set, etc. ...