Invade Oil Grease and Tar Remover Removes oil, grease and tar from carpets by dissolving, holding in suspension and flushing out with water. Can be diluted with either water or solvent to make a prespray for asphalt footprints. Apply with sprayer or sponge, do not oversaturate or the backing may be damaged. Allow approximately five minutes before removing. Clear, slightly yellow liquid with very little odor. Flash point – 140°F.