... rings, Y-rings, back-up rings, etc.2) Custom design rubber parts3) NSF approved materials, potable water components4) Materials include ... : silicone rubber, nitrile rubber, EPDM, neoprene rubber, viton DuPont & Dow elastomers, natural rubber, SBR, fluorosilicone, acrylics5) Usual ... oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); O-Rings & Rubber Seals