All-Purpose Water-Based Sealant


ClearLok water-based sealants, which provide a protective top coat on most metals, come in two forms: one for super hard finishes and another for easier removal in alkaline soak cleaners.

CLEARLOK Clear Urethane Sealant is a heavy-duty, urethane polymer sealant that forms a hard, glossy protective coating. It works well on black oxide finishes on iron and steel, black finishes on aluminum, and on non-finished iron, steel and aluminum surfaces.

CLEARLOK MAX is a water emulsion blend of acrylic polymers and rust inhibitors that forms a clear protective coating. This finish serves as an ideal topcoat for black oxide or other surface coatings. It can also be applied directly to clean or shot-blasted metal surfaces such as bare steel, aluminum, nickel and zinc plating. This sealant is suited for use on hand tools, machine components, power transmission components, pumps, valves and oilfield equipment.


  • final protective coating thickness is 0.0001 to 0.00003 in
  • rated for corrosion resistance of 24 hours of neutral salt spray
  • two hundred hours of humidity exposure
  • water-based sealants
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