... by fibergalss yarn and with 304ss reinforce 2.coated with graphite and rubber 3.use in machine seal gasket1.woven ... with 304ss inside as reinforce2.coated with graphite and rubber3.use in machine seal4.shape,commonly made to round and elliptic5.thickness ... .commonly from 1.0mm to 15mmMaterialfiberglass,PTFE,Ramie fiber,graphite,kevlar, ...