Graphite packing flexible graphite line with the main material, formed by the textile and rope-like product, in order to increase its strength, weaving alloy fibers are added, the kinds of sealing materials resistant to corrosion resistance, high temperature, self-lubricating, good elasticity etc., made of rope-like, flexible graphite ring than the application of more convenient and more extensive. Scope: widely used in petroleum, chemical, fertilizers, ethylene, and chemical fiber industry, acid, alkali, organic solvents, oils and other media sealing. Applicable conditions: pressure 2 20MPa Temperature: -200 800Line speed (M / S): 0 5 PH value: 1 14