A heavy duty alkaline cleaner and rust remover for use on ferrous metals. Mar-Tek 28 does not produce hydrogen embrittlement and will not attack the base metal. It removes rust, scale, grease, paints and carbon in one operation. Mar-Tek 28 eliminates the use of acids and saves the labor of multiple tank operations.
Recommended concentration of 1 to 3 lbs./ gal. of water at 200°F.