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Mineral binder and compositions employing the same

  • US 4,640,715 A
  • Filed: 03/06/1985
  • Issued: 02/03/1987
  • Est. Priority Date: 03/06/1985
  • Status: Expired due to Term
First Claim
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1. A dry, mineral binder composition for binding mineral materials comprising:

  • from about 6 to 25 parts by weight metakaolinfrom about 3 to 30 parts by weight dry potassium hydroxidefrom 0 to 18 parts by weight slagfrom 0 to 60 parts by weight of at least one material selected from the class consisting of fly ash, calcined shale, and calcined clayfrom 1 to 150 parts of an amorphous silica.

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