FIELD: coating metallic materials.
SUBSTANCE: composition comprises, in g/l, 11-13.5 of chromic anhydride, 2-4 of potassium bifluoride, 1.5-2.5 potassium ferricyanide, 0.005-0.05 of cyclohexylammonium chromic acid, 0.0005-0.001 of strontium chromate, 0.05-0.2 of synthanol, 220-300 silicon oxide, and water.
EFFECT: improved quality of protection.
3 tbl, 1 ex
| Title | Year | Author | Number |
|---|---|---|---|
| COMPOSITION FOR CHEMICAL TREATMENT OF ITEMS OUT OF ALUMINIUM AND ITS ALLOYS | 2009 |
|
RU2409702C1 |
| SOLUTION FOR CHEMICAL OXIDATION OF ALUMINIUM AND ITS ALLOYS | 0 |
|
SU1148897A1 |
| METHOD OF CHEMICAL TREATMENT OF SURFACE OF PART FROM ALUMINUM AND ALUMINUM-BASE ALLOYS | 2001 |
|
RU2207401C1 |
| 0 |
|
SU388062A1 | |
| ELECTROLYTE FOR ANODE TREATMENT OF ALUMINIUM AND ALLOYS THEREOF BEFORE COPPER PLATING | 2013 |
|
RU2529328C1 |
| METHOD FOR ELECTROCHEMICAL APPLICATION OF COATING ON ARTICLES FROM ALUMINUM ALLOY | 2023 |
|
RU2821180C1 |
| METHOD OF PRODUCING OF PROTECTIVE COATINGS ON ALUMINUM AND ITS ALLOYS | 1996 |
|
RU2112087C1 |
| METHOD FOR APPLICATION OF COATING ON PARTS MADE OF ALUMINUM AND ALUMINUM ALLOYS | 2001 |
|
RU2186159C1 |
| METHOD FOR OXIDIZING ALUMINIUM AND ITS ALLOYS | 0 |
|
SU1705405A1 |
| METHOD FOR APPLICATION OF NICKEL COATINGS TO ALUMINUM ALLOYS | 2017 |
|
RU2661695C1 |
