Product # 104,This heavy-duty acid replacement product has the performance of Hydrofluoric and Sulfuric acids with a pH of less than 1, but is non-corrosive to skin, making it a far safer alternative.  As an aluminum cleaner and brightener, it has outstanding calcium, limescale and silicate-deposit removal properties. It quickly removes corrosion and oxidation, leaving surfaces bright and clean. It is ideal for use on aluminum trailer bodies, boats, building materials and most other exterior aluminum surfaces. As a coil cleaner, it removes dust, dirt, grime, grease and oxidation from aluminum or copper coils as well as fins of cooling units and air conditioners. Use it regularly to clean coils for more efficient operation and lower power consumption. DOT non-regulated. No EPCRA risk management plan filing required.