LACO Heat Seal Stick is an epoxy sealer intended for repairs on copper, aluminum, and other metals. It can be used with all refrigerants and ammonia, SO², gas, oil, and steam. Maintains pressures up to 450 PSI (31 Kg/cm²). Sold in a convenient 12 unit counter display box.
The Laco Markal heat seal stik is a premixed epoxy sealer that repairs leaks in 90 seconds. Features include: Stick melts, seals, and cures in one operation. Requires only 250° F from torch or heat gun. Melt the stick into the hole or crack, heat cure for a few seconds, and the job is done, Works on aluminum, copper, other metals, glass, and ceramics, Ideal for use on the high and low side of refrigeration systems, One-part epoxy, no mixing or measuring needed, Durable epoxy remains flexible to expand and contract with the metal surface. Will not chip or crack like brittle epoxies, Sealing temperature: up to 350° F (177° C), and Pressures: to 600 PSI (41 BAR). Typical Applications: Evaporator and condenser coils, High and low side refrigeration systems, Water and air piping and tubing, and Porosity leaks in metal castings.