The chemical resistance of Aramid allows this packing to be used in connection with most chemicals (except very corrosive ones), water, steam, oils, solvents, etc., while its extreme abrasion resistance makes it ideal for use with abrasive sand, slurry and other gritty media. Material Extremely tough and durable packing with a chemical compatibility better than PTFE-lubricated asbestos and the unsurpassed mechanical strength of Aramid. Type PGE® Style 3001 Aramid fiber with Silicon Oil and PTFE Filament binder to give the packing strength and durability.