JET WASH FM is a heavy-duty powder formulated to handle tough cleaning jobs on ferrous parts. A blend of alkalies, soil suspending agents, and controlled foam detergents. Contains no phosphates. An excellent performer in agitating parts washers such as recirculating spray wash units where low foam is a necessity. Use at ½ to 1 pound per gallon of water. Also works well in hot vats at 1 to 2 pounds per gallon of water. Quickly removes grease and grime from heads, engine blocks, and other ferrous parts. Do not use on aluminum, zinc, or galvanized metals. 160 F - 200 F water is recommended.