... cost performance Feature:1.Material:NBR,EPDM,SIL,VT,NR,SBR,HNBR,CR 2.we can process according to customer's drawings ... ,viton DuPont& Dow elastomers,neoprene,HNBR,NBR+PVC,natural rubber,SBR,IR,IIR(Butylrubber.CRneoprene,AU,ACM,CO ,etc.Meets drinkingwater ...