... stoppers, rubber sleeve seals(O ring, U ring, Y ring,X ring, W ring, V ring, L ring, star ring), oil seals, rubber handles, ... rubber buffer sets, the tapered sleeve, the support ring, guide ring, the cushion ring, rubber buffer block,etc.Mainly rubber material are ... EPDM, HNBR, ACM, SB, PU, applicable to oil, acid, wear, pressure, flex resistance, high temperature, low temperature, resistance to ...