Seaclean 370 SP is a heavy duty, concentrated, powdered, alkaline soak cleaner designed for steel, stainless steel, copper alloys and magnesium. Seaclean 370 SP is highly effective at removing most soils including heavily chlorinated and sulphurized oils, fats, and coolants from metal substrates requiring the utmost in cleanliness. Its unique formulation allows complete lifting of soils reducing residuals on washed parts.