Water Soluble Paper and Tapes, White, 15 1/2 in x 165 ft x 0.0035 in

Features : Provides a convenient and cost effective method for creating purge chambers for pipe welding | Low air permeable purge gas barrier for TIG welding | Excellent barrier for retaining noble gas (argon and argon/helium mix) | Simple and fast construction | Dissolves effortlessly and rapidly during water or steam hydro-test, leaving no residue in pipeline