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Home › StarSeal EF Hardener 204

StarSeal EF Hardener 204

Water white silicate based solution

Produces chemical hardening of concrete surfaces.

 

STARSEAL EF HARDENER 204 is a water white silicate based solution that produces chemical hardening of concrete surfaces. It is formulated with proprietary additives to encourage maximum penetration and to minimize dusting.

Advantages

  • Provides for complete development of concrete’s wear resistance and strength properties
  • Reduces dusting
  • Allows for bonding of all finishes
  • Rehabilitates old worn floors by chemically reacting to provide a hard and durable surface
  • Meets requirements of Federal Specification CE-204
  • Economical
© 2026 ChemMasters, Inc.
Silencure, Polyseal, Traz, Aquanil, Spall Guard, Chemisil, EZ Strip Cure, SafeSeal, Spray Film, DuraShield SRT, Slip Stop and Exposee are trademarks of ChemMasters, Inc. ChemMasters and Safe-Cure are registered trademarks of ChemMasters, Inc.


300 Edwards Street, Madison, Ohio 44057
Phone 440.428.2105 - 800.486.7866
Fax 440.428.7091
 
 
© 2026 ChemMasters, Inc.
Silencure, Polyseal, Traz, Aquanil, Spall Guard, Chemisil, EZ Strip Cure, SafeSeal, Spray Film, DuraShield SRT, Slip Stop and Exposee are trademarks of ChemMasters, Inc. ChemMasters and Safe-Cure are registered trademarks of ChemMasters, Inc.
300 Edwards Street, Madison, Ohio 44057
Phone 440.428.2105 - 800.486.7866
Fax 440.428.7091

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