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Action 634
Low foaming liquid hot tank detergent for ferrous metal parts

A high performance liquid hot tank and “boil-out” detergent. Action 634 is designed for removing light rust, oil, grease, carbon and for stripping paint from ferrous metal parts. It may also be used to remove non-ferrous metals from electric motors.

Typical Uses

Used in engine repair and various equipment maintenance shops for cleaning ferrous metal heads, cylinders and other engine parts in heated dip tanks.


  • Formulated with rust inhibitors to prevent flash rust.
  • Concentrated for high dilution.
  • Liquid formula increases safety when adding to Hot Tank.
  • Liquid formula disperses easily ensuring uniform concentration of Hot Tank detergent.