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ComStar's Copper Lock is the revolutionary and environmentally safe method for soldering pipes designed for the US Space Program! This unique product instantly bonds copper and brass pipes/fitting without the use of heat or metal solder. Copper Lock is great for all yellow metals, copper and brass pipe and fittings, and all refrigerants and liquids.<br><br>Simply apply it inside the connector and/or onto the pipe; making sure the liquid is totally around the circumference, fit in the pipe, and 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 oz. bottles will bond as many as 340 3/8-inch fittings.<br><br>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 -60F to +300F. It can handle water systems pressure tests in 2 minutes and A/C system pressure test in 25 minutes. Copper Lock can also be disassembled at 400F heat and then reapplied.<br><br>Copper Lock exceeds all US Military copper bonding specifications: Mil-S-46163A Type I Grade K, Mil-S-224723E Letter Grade CVV.<br><br><b>Advantages:</b><br><ul style="margin-top: 0px; padding-top: 5px; padding-bottom: 5px;"><li>Copper Lock is an environmentally safe method for soldering pipes</li><li>Copper Lock can seal copper pipes up to 2 inches (580 mm)</li><li>Copper Lock has a permanent leak proof bond rated up to 500 psi</li><li>Copper Lock has a temperature range -60&deg;F to + 300&deg;F</li><li>Copper Lock is great for all yellow metals, copper and brass pipe fittings.</li><li>Copper Lock meets US Military Specs</li><li>Copper Lock is great with all refrigerants</li><li>Copper Lock bonds copper and brass pipes/fittings instantly</li><li>Copper Lock allows for water systems to be pressure tested in 2 minutes</li><li>Copper Lock allows for A/C systems to be pressure tested in 25 minutes</li><li>Copper Lock can be dissembled at 400°f heat and then reapplied</li><li>Copper Lock does not require heat or solder to create a permanent leak-proof bond</li></ul><br><b><i>Buy Yours Today!</i></b><br><br>

Copper Lock&#8482; No Heat Solder, 2 Oz. Tube

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ComStar® 2 Oz. Copper Lock No Heat Solder, -60°F to +300°F