Liquid Chisel LC101 Concrete & Mortar Remover is an odourless and fast-acting* easy to use formula designed to turn concrete, mortar, lime, and grout into a soft paste for effortless removal. It is non-corrosive and non-flammable, and can be used on most surfaces, including steel, aluminium, fiberglass and glass, plastic, rubber, painted surfaces, wood, and more – including tools and equipment. LC101 is 100% biodegradable, extremely safe and cost effective, and contains no hydrofluoric, sulfuric, muriatic, or phosphoric acids. *The amount of time required to leave the product on is strictly proportional to the thickness of the product being dissolved.