A general-purpose liquid alkaline cleaner designed to handle a wide variety of industrial and general metalworking applications. May be used to clean floors and for machine tool cleaning, where water-soluble or synthetic coolants are used. May also be used in central cleaning system. Effectively cleans metal parts, to eliminate the need for individual cleaning products. May be spray-washed, wiped clean, or used in agitated soak tank units. Effectively removes the soils normally found in metalworking operations. Highly concentrated for economical use. May be diluted up to 99% with water, depending on the cleaning application. Typical dilution rate is 9 parts water to 1 part BC 4000. 1 gallon of BC 4000 concentrate makes 10 gallons of finished ready to use cleaner. Safe on all typical industrial metals. 100% biodegradable.