Method to reduce scaling due to freezing and thawing in concrete
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United States of America Patent
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May 24, 1994
Issued Date -
N/A
app pub date -
Oct 15, 1992
filing date -
Feb 14, 1991
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Expired
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Abstract
A concrete surface having at least a residual amount of sodium fluorophosphate. A method to reduce scaling due to freezing and thawing is also disclosed. The method comprises contacting the surface of a concrete with a system containing at least sodium fluorophosphate. The sodium fluorophosphate closes the pores to water and other foreign matter.
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