water rvalve sealing gaskets Material: silicone Hardness:Shore40,50,60,70,80,90 Approved:NSF,FDA,WRAS,KTW,W270,UL,ACS,ROHS Itemwater valve sealing gasketsDescriptionMaterial: SiliconeHardness ... material meet European REACH, ROHS and PFOS commands. Partial meet PAHS,NP requirement.NBR,EPDM,FKM,Silicon rubber etc. are available.Packing ...