Citrus Terpene or d-Limonene is a naturally pure oil which is produced from citrus fruit skins by the distillation process. Nature has produced this oil in living; organic plant material; and therefore; nature has methods in place to accept; reduce; breakdown; absorb and otherwise handle this oil as part of the chemistry of the Earth's living eco system. In other words; d-Limonene is BIODEGRADABLE. Uses: Undiluted Citrus Terpene can replace a wide variety of products including Mineral Turpentine; Acetone and Tolulene. It can also be combined with a surfactant to produce household cleaners. It is an ideal thinner for Tung oil; to assist with penetration of the oil into porous surfaces i.e.; timber; concrete; mud brick; slate; terracotta etc. It is an effective cleaner and will dissolve grease; remove stains i.e. lipstick ;wax; printers ink; glue chewing gum; crayons; bitumen and many other stubborn to remove substances - even if those substances were derived from petroleum sources. Citrus Terpene has greater