Cementitious compositions containing shredded polystyrene aggreg

Details Cementitious compositions containing shredded polystyrene aggreg Cementitious compositions containing shredded polystyrene aggreg

1993-03-11

1994-10-04

Lovering, Richard D.

Compositions

Fire retarding

252602, 106 1811, 428402, 428920, 428921, 264140, C09K 2100, B27N 900

Patent

active

053523903

ABSTRACT:
Fireproofing compositions are provided. The compositions comprise a hydratable cementitious binder and polystyrene aggregate falling within particular particle size distribution limits. The compositions can also include an air entraining agent and a fibrous material. On addition of water, the compositions form settable, sprayable slurries which can be pumped to the point of application. The slurries are capable of spray application to steel structural members and adhere to the member in the slurried state and after setting. Excellent fire and heat protection is provided to the member despite the organic nature of the polystyrene aggregate.

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World Patents Index JP-A-57 140 360 Abstract.
Chemical Abstract v. 93 No. 10 JP-A-55 020 283 Abstract.

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