Rectorseal 31551 1/2 Pint Brush Top Tru-Blu Pipe Thread Sealant , Blue, 8 Oz.
For refrigeration and industrial applications. Recommended for use on galvanized steel, iron, brass, copper, aluminum, stainless steel, polyethylene, fiberglass reinforced, PVC and CPVC pipe. Ideal for use as positive lock and seal on threaded fasteners