Rubber products 1.Material:NBR,CR,SBR,EPDM,NR,HNBR,ACM,EP,Silicone,Viton 2.Competitive price 3.As customer's drawing Versatile rubber ... sizes with different materials such as NR, NBR, FPM, EPDMWe can supply rubber o-rings in different sizes with different materials ... such asNR, NBR, FPM, EPDM, and silicon. we assure ...