spiral wound gasket(40" 42" 48") Material:stainless steel, carbon steel standard: ... tape and nonmetal tape, which are overlapped each other and wound continuously.2) To fasten the metal tape, both its start ... SS304, SS316,SS316L, carton steel nontal ring include graphite strip, ceramic strip, asbestos strip, teflon strip.5): size: 1/2"-48"6): ASTM, DIN ...