FIELD: metallurgy.
SUBSTANCE: composition for impregnation of phosphate coating contains 30-60 g/l of concentrate " Autocat F-78" or cutting coolant "Veksanol-3" and 7-10 g/l of degreaser EX.
EFFECT: keeping of good protective properties of phosphate coating impregation and protracted steady operation without its destruction under the influence of acid bath.
2 cl, 3 tbl
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