... silcone oring 2) Quick supply 3) Stringent quality checks Rubber U-ring :1)Strictly according to the ASTM20052)Excellent Chemical and ... ) Various in size and colour ProductsRubber o-ring, y-ring, u-ring, x-ring, rubber gasket and all kinds of rubber ... , EPDM, SILICONE(MVQ), Viton(FPM), HNBR, ACM, PU, SBRColorcustomized colors are welcomeM.O.Q.5000 pcsPacking PE bage, cartonCarton measurement 45x34 ...