It is flexible braided packing which is made of an innovative expanded pure graphite yarn. It can be used to seal hot water, high temperature and pressure steam, leat transfer fluid, hydrogen gas, ammonia, organic solvents, hydrocarbons, cryogenic liquids, etc., except fewer strong oxidizer .They can be applied to the equipments and devices in peroleum,electricity generation ,chemical ,pharmaceutical and light industries. Spec:3mm - 50mm