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Low pH colloidal silica compositions for application to concrete

  • US 9,272,951 B1
  • Filed: 04/04/2015
  • Issued: 03/01/2016
  • Est. Priority Date: 02/05/2008
  • Status: Active Grant
First Claim
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1. A composition for hardening and/or polishing concrete, consisting of:

  • colloidal silica;

    a stabilizer for enabling the colloidal silica to remain in solution at a pH of less than 10;

    surfactant; and

    water,the composition being formulated not to form a hard reside on a surface of the concrete.

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