Fast, repairs completed in 90 seconds Works on R-410A type systems One part epoxy, no mixing or measuring needed. Stick melts, seals and cures in one operation. Use on aluminum, copper and other metals, glass, and ceramics. Ideal for use on high and low side of refrigeration systems. Sealing temperature: up to 350°F (177°C). Pressures: to 600 PSI (41 Bar). Each stik weighs 3/8 oz. Markal Heat-Seal Stik Pre-Mixed Epoxy Sealer 11575$13.50, 12/$153.00 Need more information? Please feel free to contact us at 1-800-592-6940 - Ask for Extension 588 or Internet Sales.