water valve rubber sealing Material: silicone Hardness:Shore40,50,60,70,80,90 ... :NSF,FDA,WRAS,KTW,W270,UL,ACS,ROHS Itemwater valve rubber sealingDescriptionMaterial: SiliconeHardness:Shore40,50,60,70,80,90Color: black,white ... commands. Partial meet PAHS,NP requirement.NBR,EPDM,FKM,Silicon rubber etc. are available.Packing Spec.Standard packing: a. plastic bag ...