... . Material: FFKM,NBR, HNBR,EPDM,SI,FKM(VITON)CR,PU,PTFE,ACR(A) 1. material:NBR,EPDM,SI,FKM(V270M),CR ... , Rubber Parts, Rubber Bushing, Rubber Boots, Rubber Tube, Polyurethane Products, TPU Products TPU, PTFE Seal, Molded Products Number of Employees: 301 - 400 ... , Aging Test, Thickness Meter, Shore-A Hardness Tester, Optical Projector ptfe mechanical ring seal