FIELD: application of chemical coats for protection of metals against corrosion and preparation of articles for cold deformation.
SUBSTANCE: proposed method includes degreasing, pickling, activation, phosphating, neutralization and impregnation; degreasing, activation and neutralization procedures are conducted in PHOSPHON-203 detergent solution at content of 10-30 g/l and temperature of 60-80°C.
EFFECT: reduced number of solutions for preparation of parts for phosphating and subsequent treatment; saving of chemicals; reduced number of baths.
1 tbl
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| METHOD OF PREPARATION OF SURFACES OF METAL ARTICLES BEFORE COLD DEFORMATION | 2003 |
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| DEVELOPMENT METHOD OF HIGH-STRENGTH HARDWARES FOR MOUNTING OF HEAVY STRUCTURES AND INHIBITORY COMPOSITION FOR ITS TREATMENT | 2007 |
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| WASHING COMPOSITION FOR CLEARING OF METALLIC SURFACE BEFORE PHOSPHATIZATION | 0 |
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