Tech Grade D-Limonene is a naturally derived citrus solvent that is extracted from the peels of oranges. It is 100% Natural, Biodegradable & Non Toxic. It is designed to be used as an industrial cleaner and/or hard surface cleaner for difficult to remove soils. It can also be used to make formulated products for applications such as laundry, adhesive removal, or water-less hand cleaner. Tech Grade D-Limonene does not contain petroleum-derived chemicals. Due to its attractive citrus aroma, versatility, and Generally Recognized As Safe (GRAS) by the FDA, D-Limonene can be used safely and effectively in a wide range of products. Tech Grade D-Limonene is compatible with many types of metal surfaces and composites. It is not recommended for polyethylene, polypropylene, natural rubber, nitrile, neoprene or Tygon. Compatibility should be determined by individual users on a case by case basis. It is extremely effective in removing paraffin, asphalt, adhesives and tar from hard surfaces.