This is a Natural Soy based product that removes heavy rubber, tar, adhesives and asphalt from concrete and other masonry surfaces. Use in place of D-Limonene or similar products. It has a wide range of uses from an all purpose cleaner to a heavy duty industrial degreaser. It will emulsify tar, rubber, asphalt, adhesive, glue, heavy grease, floor finishes, black heel marks, printer's ink and carbon deposits. It does not contain any hard abrasives. Use as is, do not try to dilute. Best to apply with a pump up sprayer. Keep rubber hoses out of the sprayed area as it will affect them. Let dwell for 20-30 minutes for heavy deposits. Rinse with a high pressure hot water pressure washer.