... supply 3) Stringent quality checks 4)Reasonable-price silicone o-ring1)Strictly according to the ASTM20052)Excellent Chemical and physical ... design and specification are welcomed5) Various in size and colourProductsRubber o-ring, y-ring, u-ring, x-ring, rubber ... Viton(FPM), HNBR, ACM, PU, SBRColorcustomized colors are welcomeM.O.Q.5000 pcsPacking PE bage, cartonCarton measurement 45x34 x 34cmSample ...