PTFE sealing tape 3500 Valvelon

Sealant Ideal for Valve Packing and Flange Gaskets ​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​A unique, multi-layered, 100% PTFE packing/sealant. Chesterton 3500 Valvelon®​ offers anti-extrusion construction that conforms to surface shapes, withstands a wide range of temperatures, and seals virtually all chemicals. Ideal for valve packing and flange gaskets. Characteristics ​​Packs valves/seals flanges Dense, wrapped construction conforms to fill voids, making a tight seal without cold flow extrusion Non-hardening Non-toxic Unlimited shelf life Reduces stem valve packing and gasket inventories Chemically-inert, pH 0-14 Wide temperature range –240° C (–400° F) to 260° C (500° F) High tensile strength NSF Registered-P1​​ Application Areas General all substances within a pH range of 0 to14 Steam, salt water, air, refrigerants, sulfuric acid, hydrochloric acid, nitric acid, chromic acid Sodium hydroxide, potassium hydroxide, kerosene, gasoline, perchloroethylene, hydrogen, ammonia, fluorinated solvents Chlorine, propane, butane, nitrogen