Rapid cure aluminum putty repair kit. A two component epoxy formula highly concentrated with carefully selected pure aluminum particles, modified curing agents and high quality additives to provide maximum strength, durability and ease of application. Alumfast is specially formulated for HVAC copper pipes, HVAC condenser coils, tanks, valves, pumps, castings, water jackets, radiators, etc., where a fast and strong, non rusting aluminum repair is desired and where there is not constant exposure to water. After it cures, Alumfast can be machined, sanded, drilled and tapped which makes it a popular choice for automotive, plumbing and HVAC repairs.