GF ACID CLEAN 9011L is an organic acidic liquid compound for removing rust, corrosion and scale from ferrous metals. GF ACID CLEAN 9011L dissolves oxidation and corrosion products from ferrous and non-ferrous metals. GF ACID CLEAN 9011L removes mill scale – water hardened scale – mineral scales – welding scales – heat treating scales. GF ACID CLEAN 9011L is also recommended for descaling water side of heat exchangers (especially suited for stainless steel where harsh hydrochloric or sulfuric based materials are not recommended) and water lines. It can also be used to remove rust from oil pipe lines and storage equipment