| 摘要 |
FIELD: surface treatment of metallic material, possibly in machine engineering, metallurgy by forming phosphate coating for protecting metals against corrosion. ^ SUBSTANCE: method comprises steps of applying onto treated surface aqueous phosphating solution for forming inorganic coating. Phosphating solution is applied by spraying or by sprinkling onto treated surface preliminarily heated till 100 - 150°C. ^ EFFECT: improved protection properties of coat. ^ 4 ex
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