FIELD: processing securities.
SUBSTANCE: invention can be used when processing securities to bring them into an unserviceable state in order to prevent theft. The marking paint contains rhodamine B, rhodamine G, alcohol-soluble nigrosine, dimethyl sulfoxide, N-methyl-2-pyrrolidone and distilled water.
EFFECT: invention makes it possible to increase the durability of the marking paint, its resistance to solvents and chemicals, as well as its permeability into the securities material.
1 cl, 7 ex
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