... The different requirements of processing into various shapes 1) Definition:Spiral Wound Gasket is the ideal gasket in the semi-metallic ... . Structure:TypeCross sectionHoop materialFiller materialInner, Outer ring materialNormal ThicknessGasketsRingsBasic type CS,304(L)SS,316(L)SS,321SS,347LSS,Monel ... ,API,JPI,JIS,DIS,etc.standards or clients request. Spiral Wound Gasket,Metal Tape Wound Gasket