... rubber valve Material: silicone Hardness:Shore40,50,60,70,80,90 Approved:NSF,FDA,WRAS,KTW,W270,UL,ACS,ROHS Itemred rubber valve ... exsiting molds are available for you.CertificationISO9001-2008, NSF,FDA,WRAS,KTW,W270,UL,ACS,ROHSMaterialAll raw material meet European REACH, ROHS ...