... color,shape 4.according to Rosh,CE,PAHS,WARS rubber stopper:1, Material:NBR,CR,SBR, EPDM,IIR,NR,EP,HNBR ... , OEM or ODM is welcomed We manufacture a wide range of rubber stoppers using optimum quality raw material that can be ... are highly appreciated for the following features:1.High degree of torrential stiffness2.Wear and tear free3.Resistance to oxidation, ozone ...