Fire protection materials and methods of making them

Details Fire protection materials and methods of making them Fire protection materials and methods of making them

1979-01-08

1981-04-14

Lusignan, Michael R.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Weight per unit area specified

106 58, 106 85, 106121, 4273722, 428703, C04B 3504, B05D 302, B32B 904

Patent

active

042620554

ABSTRACT:
A fire protection material, suitable for use as a coating for structural members, produced by mixing a lightweight refractory aggregate including magnesia with ammonium phosphates in aqueous solution, wherein the composition of the phosphates is at least about 20% by weight polyphosphates, balance orthophosphate, and allowing the mixture to set as a fire protection coating or body having a bulk density of not more than about 50 lb./ft..sup.3.

REFERENCES:
patent: 3285758 (1966-11-01), Limes et al.
patent: 3413385 (1968-11-01), Komac et al.
patent: 3778304 (1973-12-01), Thompson
patent: 3879209 (1975-04-01), Limes et al.
patent: 3963849 (1976-06-01), Thompson
patent: 4059455 (1977-11-01), Limes et al.
patent: 4152167 (1979-05-01), Horvitz et al.
patent: 4166743 (1979-09-01), Wortmann et al.
patent: 4168175 (1979-09-01), Shutt

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