... NBR,EPDM,NR,SBR etc 3.Factor direct sales. Specifications1) Made of high quality food grade silicone material ... , other rubber material also available, such as NR, NBR, CR, EPDM etc. ... will be avaliableCertificationISO9001-2008,SGS,FDA,ROHSApplicable material: SIR, NBR, CR, NR, SBR, EPDM, FKM, IIR, BR ... me at any time. Alkali resistance NBR silicone rubber parts