SOLUTION FOR PHOSPHATING OF METAL SURFACE Russian patent published in 2000 - IPC

Abstract RU 2159299 C2

FIELD: chemical treatment of metal surfaces by application of phosphate coating; applicable in automobile manufacture, instrumentation engineering, metallurgical and metalware industries. SUBSTANCE: composition for phosphating of metal surface contains, wt.%: ions of manganese 5.7-6.3; nitrate 2-3; phosphate 17.5-21.5; nickel 0.1-0.2; zinc 0.8-1.2; triethanolamine 0.005-0.015; the balance, water. EFFECT: increased service life of parts coated with offered solution, higher wear resistance and improved antifriction properties of coatings. 1 tbl, 34 ex

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RU 2 159 299 C2

Authors

Varentsova N.V.

Chumaevskij V.A.

Vlasova G.I.

Potemkin S.P.

Dates

2000-11-20—Published

1999-01-18—Filed