Branson MC-2 Metal Cleaner Concentrate is a biodegradable, phosphate and caustic-free alkaline cleaner formulated for general purpose and normal maintenance cleaning applications. MC-2 Concentrate solution is an emulsifying cleaner, holding soils in solution and preventing them from redepositing on cleaned parts. MC-2 Concentrate solution removes oils, greases and a wide variety of solids from ferrous metals, stainless steel, titanium alloys, copper and copper alloys. It is not recommended for aluminum or aluminum alloys. Branson MC-2 is mixed with water in a concentration of 7 to 10% by volume and can be used at temperatures ranging from ambient to 180 °F (82 °C). Optimum cleaning performance is achieved at higher temperatures.