FIELD: machine building.
SUBSTANCE: composition contains perfluor-(-4-methyl-pentene-2) and methylenchloride forming volatile heterogeneous azeotrope. The composition has the following ratio of components, wt %: perfluor-(-4-methyl-pentene-2) 20-80, methylenchloride 80-20. The composition can additionally contain non-halogenated solvent, in the capcity of which there can be used higher aliphatics, ethers, ketones, alcohols or their mixture with boiling temperature above 70°C.
EFFECT: disclosed composition expands arsenal of ozone-safe non-greenhouse gas compositions for surface cleaning.
4 cl, 1 tbl, 4 ex
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