This is an acid cleaner for the removal of milkstone and beerstone from stainless steel processing equipment, containers, heat units and pasteurizers. It is particularly recommended for circulation in C.I.P. systems. It is a clear, green liquid, odourless and fume free. It contains surfactants and emulsifiers for better cleaning and penetration of milkstone and beerstone, scale and rust.
MSDS 
Milkstone and Scale Remover Technical Bulletin 