HG 470 OIL & GREASE STAIN ABSORBERHG natural stone oil & grease stain absorber (HG product 42) is a unique product for the easy removal of virtually all types of oil and grease stains.Absorbs the oil or grease from the stoneRemoving grease from all porous stone surfaces, such as flagstones, terracotta, marble, sandstone and other types of natural stone, as well as cement and concrete floors.Direction of use: Stir well before use.Using a spatula or spoon, apply a thick layer of approximately half a centimetre (quarter inch) to the stain.Wait until it is completely dry. The plaque which has been formed can be easily removed. Any residue can be removed using a damp cloth.