The Water Soluble Adhesive is utilized in conjunction with the Water Soluble Purge Film, model AA97209, which can be used as a purge gas barrier during TIG welding. The Water Soluble Adhesive is applied to inside of pipe. The welder thoroughly coats the entire circumference of the pipe surface where film is to be placed. He then presses glossy surface of the Water Soluble Purge Film against tacky adhesive inside the pipe to create an air tight seal.
