Intumescent fire retardant material

Details Intumescent fire retardant material Intumescent fire retardant material

1976-05-17

1977-12-27

Lechert, Jr., Stephen J.

Compositions

Fire-extinguishing

Foam-stabilizant or colloid-stabilizant containing

106 15FP, 260 25AJ, 260 25FP, 260DIG24, B27K 300

Patent

active

040653943

ABSTRACT:
A silicone resin base fire retardant system having a temperature capability at least to about 450.degree. F (230.degree. C) combines intumescent characteristics with a crusting and charring capability through use of a combination of an oxide of iron and a phosphate of potassium for crusting, along with a charring material such as tripentaerythritol and a blowing agent, such as melamine, in a silicone resin base to allow for adequate expansion.

REFERENCES:
patent: 3916057 (1975-10-01), Hatch et al.
patent: 3955987 (1976-05-01), Schaar et al.

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