water valve rubber sealing Material: silicone Hardness:Shore40,50,60,70,80,90 Approved:NSF,FDA,WRAS,KTW,W270,UL,ACS,ROHS Itemwater valve rubber sealingDescriptionMaterial: SiliconeHardness:Shore40,50,60,70,80,90Color: black,white,red,green,yellow,blue,brown,orangeAdvantageAging resistance, high/low temperature resistance, acid/alkali resistance, abrasion resistance etc.SizeAS568, P.G Series, ISO ...