Claims
- 1. A dry mixture for forming a fireproofing composition adapted to be spray applied to a steel substrate, said dry mixture comprising a hydraulic binder, a foam stabilizing agent, and a set retarder, said dry mixture providing, upon the addition of water, a pumpable slurry, and upon the application of mechanical turbulence to said pumpable slurry, a settable foam capable of spray application to a steel substrate and which, after spray application is adherent to said substrate.
- 2. The dry mixture of claim 1, wherein said foam stabilizing agent is powdered polyvinyl alcohol.
- 3. The dry mixture of claim 1, wherein said hydraulic binder is stucco.
- 4. The dry mixture of claim 1, wherein said dry mixture further comprises calcium carbonate.
- 5. The dry mixture of claim 1, wherein said dry mixture further comprises alpha-olefin sulfate.
- 6. The dry mixture of claim 1, wherein said dry mixture further comprises glass fibers and cellulosic fibers.
- 7. The dry mixture of claim 4, wherein said dry mixture further comprises alpha-olefin sulfate.
- 8. The dry mixture of claim 4, wherein said dry mixture further comprises glass fibers and cellulosic fibers.
BACKGROUND OF THE INVENTION
[0001] This application is a Divisional of U.S. patent application Ser. No. 10/044,547 filed on Jan. 11, 2002, which is a Continuation-In-Part of PCT/IB01/01604 filed on Sep. 3, 2001, the disclosures of which are hereby incorporated by reference.
Divisions (1)
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Number |
Date |
Country |
Parent |
10044547 |
Jan 2002 |
US |
Child |
10657494 |
Sep 2003 |
US |
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
PCT/IB01/01604 |
Sep 2001 |
US |
Child |
10044547 |
Jan 2002 |
US |