ComStar Copper Lock, No Heat Solder for Copper & Brass Pipes, Instant Leak-Proof Seal Up to 500 PSI, Handles All Refrigerants, Withstands -60°F to 300°F,10 ml Bonding Solution for HVAC (10-801)

Innovative, Reliable, and Heat-Free Pipe Bonding Solution Upgrade your HVAC or plumbing projects with this groundbreaking no-heat soldering solution. Built to meet the standards of the US Space Program, this pipe bonding formula offers unmatched strength and convenience. It instantly bonds copper, brass, and yellow metals without heat or flame, forming a secure, permanent seal in just 60 seconds. Specifications: Bonding Time: 60 seconds Seal Strength: Up to 500 PSI contained pressure Flow Pressure Tolerance: Up to 10,000 PSI Temperature Range: -60°F to +300°F Compatible Pipe Size: Up to 2 inches (580 mm) Bottle Capacity: 2 oz (bonds up to 340 fittings) Disassembly Temperature: 400°F Certifications: Exceeds MIL-S-46163A Type I Grade K, MIL-S-224723E Letter Grade CVV Perfect For: HVAC repairs Residential plumbing Industrial pipe bonding Refrigerant systems Emergency leak fixes Why Choose Our Heat-Free Pipe Bonding Formula? Forget torches and traditional soldering—this advanced bonding solution offers safety, speed, and durability. Ideal for residential, commercial, or industrial use, it forms a permanent, high-pressure seal without flame or metal solder. Whether you're fixing leaks or installing new systems, this formula delivers confidence with every application. Simply apply it inside the connector and/or onto the pipe; making sure the liquid is totally around the circumference, fit in the pipe, & within 60 seconds a permanent leak-proof seal will prevail. No heat or solder is required to create a permanent leak-proof bond. Copper Lock can seal copper pipes up to 2 inches (580 mm). One of these 2 ozs descriptions still bonds as many as 340 3/8-inch fittings. Copper Lock’s patent-pending formula allows for it to withstand pressures of 10,000 PSI flow and 500 PSI contained. It can also withstand temperatures from -60°F to +300°F. It can handle water systems pressure tests in 2 minutes and A/C system pressure tests in 25 minutes. Copper Lock can also be disassembled at 400°F heat and then reapplied. Copper Lock exceeds all US Military copper bonding specifications: Mil-S-46163A Type I Grade K, Mil-S-224723E Letter Grade CVV.