... HNBR,EPDM,SI,FKM(VITON)CR,PU,PTFE,ACR(A) 1. material:NBR,EPDM,SI,FKM(V270M),CR, ... products: O-Ring.X-Ring V-Ring.R-Ring. Y-Ring.U-Ring., Oil Seal,PU oil seals , rubber ... Low-Temperature Test Bed, Aging Test, Thickness Meter, Shore-A Hardness Tester, Optical Projector.Production Equipments Rubber Preforming Machine, ... Test Bed, Aging Test, Thickness Meter, Shore-A Hardness Tester, Optical Projector rubber ...