1.Various rubber material 2.Delivery promptly 3.According to ... only need half of the funds to make a tool!!Rubber Parts Features:1) Available material : material for Silicone ... ,Fsil,VITON(FKM,Neoprene, HNBR, Natural rubber, SBR,IR,IIR(butyl rubber),ACM ect.NSF an KTW approved for ... 90 Shore-A ;8) High and low temperature resistance, oil resistance, anti-ozone and aging, wearable,great flexibility etc ...