FIELD: refractory coating of block of hard aerosol-forming composition for fire-extinguishers and for interior surface of body of fire-extinguishers. SUBSTANCE: composition comprises, mas.%: basic magnesium carbonate and/or basic magnesium phosphate, 12-60; polyvinyl acetate and/or polyvinyl alcohol, 8-30; metal oxide, 0.5-7.0 and water, the balance. Copper, zinc, iron, cobalt, nickel, manganese, titanium used as metal oxide. Mass ratio of polyvinyl acetate and polyvinyl alcohol is 1:2-2:1. Composition is applied on the surface by brash, by dipping and by other common used methods. EFFECT: more effective absorption of composition; composition is ecologically safety. 2 cl
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Authors
Dates
1998-08-10—Published
1996-11-29—Filed