Bonded aggregate composition and binders for the same

  • US 6,447,596 B1
  • Filed: 05/01/2000
  • Issued: 09/10/2002
  • Est. Priority Date: 04/27/1992
  • Status: Expired due to Term
First Claim
Patent Images

1. A binder useful for bonding an aggregate into a rigid structure upon mixing and setting of said binder and said aggregate, said binder comprising:

  • an acidic phosphate-providing component, said component being in a liquid phase at ambient temperature and pressure; and

    a dry component comprising CaO, Al2O3, SiO2, and Fe2O3 in proportions adequate to allow working upon mixing of said binder and said aggregate and adequate to yield a rigid structure upon setting of said mixed binder and aggregate, wherein said Fe2O3 comprises between 0.8 and 1.0 percent by weight of said binder.

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