Dynaprep S290 is a multi-purpose, heavy duty, concentrated, powdered, high alkalinity immersion soak cleaner for ferrous metal.  Dynaprep S290 is an emulsifying cleaner that is effective at removing most soils including heavily chlorinated and sulphurized oils, fats, and coolants from metal substrates.  Its unique formulation allows complete lifting of soils and emulsification of oils, reducing residuals on washed parts.