Compositions: coating or plastic – Coating or plastic compositions – Contains fireproofing or biocidal agent
Patent
1999-05-19
2000-12-19
Green, Anthony
Compositions: coating or plastic
Coating or plastic compositions
Contains fireproofing or biocidal agent
106 1814, 106680, 106735, 106773, 106774, 106776, 106778, 252601, C09K 2100
Patent
active
061622885
ABSTRACT:
Improved sprayable gypsum-based fireproofing composition comprising a lightweight aggregate and a set retarding agent in an amount effective to delay the setting of said composition for at least 24 hours and preferably for at least 72-96 hours without causing the composition to swell or shrink or to cause a salt layer to form on the composition when it is spray-applied. The fireproofing composition can retain fluidity in conventional spray hoses overnight and yet is capable of being injected with a set accelerator, such as aluminum sulfate, on the next day or on a successive day when spray-applied onto a substrate.
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Hilton Dennis M.
Kindt Lawrence J.
Perito Richard P.
Baker William L.
Green Anthony
Leon Craig K.
W. R. Grace & Co.,-Conn.
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