Available in two formulas, Purple Thunder and Bio Degradable New concentrated formula, resistant, emulsifying, cleaning and degreaser. Does not contain Caustic Soda (acid) Can be used for heavy duty cleaning and for domestic purposes. Non-abrasive, corrosive or toxic. Protects metal and metal finishes. Environmentally friendly and biodegradable. Can be used on marine equipment and motorcycles Trigger atomizer available in 1 litre bottles