... Material:silicone colorful Hardness:Shore40,50,60,70,80,90 Approved:NSF,FDA,WRAS,KTW,W270,UL,ACS,ROHS Itemwater food grade rubber ... , abrasion resistance etc.SizeAS568, P.G Series, ISO 361/1and Customized specificationThousands designs and exsiting molds are available for you.CertificationISO9001 ...