FIELD: foam-forming compositions. SUBSTANCE: invention relates to foam-forming compositions designated for preparing air-mechanical foams. The proposed composition comprises 11-25% an aqueous solution of saponified tall pitch. The composition can comprise additionally sodium hydroxide, potassium hydroxide or water glass taken in the amount when pH value of the solution is 10-11. The proposed composition shows high stability, gluing properties and it forms the film (cover) solution on a surface to be treated after foams syneresis and drying. EFFECT: enhanced multiplicity and stability of foam. 4 tbl, 3 dwg, 7 ex
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