... performance 2.Superior aging-resistance 3.Good shock-absorption Impact Buffer : NameImpact BufferMaterialNR,SBR,CR,FPM, IIR, EPDM, Silicone, NBR ... .More than 10 years experience of manufacturing various moulding rubber parts like gasket,seal,bellow,grommet,washer,bumper,tire ... and some rubber-metal parts2.Very competitive price and good qualitity.MOQ3000 ...