... 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 ... daysProduction Lead-Time15-30daysPayment TermT/T Customer’ s designwelcome Rubber U-ring