FIELD: metallurgy.
SUBSTANCE: metal-coated surface is processed with gas mixture from fluorine with inert diluter at the temperature of 10 to 80°C and absolute pressure of 0.04 to 1 bar during 5 seconds to 15 minutes. Nitrogen, helium, oxygen, carbon dioxide, air or mixtures of the above gases are used as inert diluters.
EFFECT: susceptibility to colouring agents of surface of metal-coated polymer films is provided.
1 tbl
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