d-Limonene natural citrus solvent. A perfect replacement for butyl, chlorinated solvents and harsh caustic cleaners. Formulated with d-limonene and fortified with surfactants and emulsifiers to provide rapid penetration and removal of heavy water insoluble soils. Dilutes with water for economy and is free rinsing. Application is by pressure sprayer, mop, brush, sponge or automatic scrubber. Biodegradable.