... base,pass dynamic testing material : NBR , NR , FKM,ACM O-ring:1.Material: FPM, NBR and metal 2.Excellent chemical and ... of high quality and competitive prices. MertirialApplicationsHardnessPerformanceDocumentNBR,FPM (VITON) , MVQ (SILICONE) , ACM ,EPDM ,PTFEHNBR ,automobile, motorcycyles, agricultural machinery ,trucks buses,trailers ...