... product are molded rubber parts products like O rings, rubber seals, rubber band, oil seal,water seal and rubber gaskets etc. Itemsoft ... insulating resistance etc.SizeAS568, P.G Series, ISO 361/1and Customized specificationCertificationISO9001-2008, TS16949, NSF, WRAS, UL, TZW, W270, ACS ... standard packing: follow customers' requirementVarious sizes & colors as following: red silicone rubber gasket