La-Co - 11575 LA-CO Heat-Seal Stik Premixed Epoxy Sealer Stick, 350 Degree F Temperature, 3/8 oz

La-Co - 11575 LA-CO Heat-Seal Stik Premixed Epoxy Sealer Stick, 350 Degree F Temperature, 3/8 oz Works on R-410A type systems One part epoxy, no mixing or measuring needed Stick melts, seals and cures in one operation Sealing temperature: up to 350 degree F (177 degree C) Refrigeration coils are prone to pinhole leaks and hairline cracks. Heat-Seal Stik was specifically made to seal these small holes for an immediate fix, even if the appliance will need to be replaced eventually. Heat-Seal Stik works with heat - no mixing of epoxy compounds necessary. Top reviews from the United States It works Easy to use, heat up with map gas and apply. I couldn’t believe it. It held up to R410A pressures just fine on a leaking copper tube in the condenser.