Patent AT-E40158-T1: [Translated] PROCESS FOR GENERATION OF CHROMATE COATINGS.
Description
A method of treating a zinc plated steel surface provides improved corrosion resistance and painting properties. The surface is rendered cathodic in the presence of an aqueous treatment liquor containing 5-70 g/l of hexavalent chromium, 0.01 to 5 g/l of trivalent chromium, 5-100 g/l of silica and/or silicate and 0.05-10 g/l of nitrate in which the ratio of Cr3+/Cr6+ is within the range 1/50-1/3.
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Access the complete Patent AT-E40158-T1: [Translated] PROCESS FOR GENERATION OF CHROMATE COATINGS. on the official website. |
https://pubchem.ncbi.nlm.nih.gov/patent/AT-E40158-T1 |
Tags
- patent
- chemistry
- research
- innovation
- pubchem