SUNPASS Steel Strip for Spiral Wound Gasket is a special semi-metallic gasket of great strength and resilience, therefore they are suitable for use under heavy operating conditions. It is made of Stainless Steel Metal Strip Tape for Inner and Outer Ring of Spiral wound gasket. The materials can be SS304, SS 316L, SS 321, SS 317L, SS 31803, Carbon Steel, Monel 400, Ti, Inconel 600, Hast.C/B, Zr702, etc.