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Patent AT-E40158-T1: [Translated] PROCESS FOR GENERATION OF CHROMATE COATINGS.
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.
Complete Metadata
| bureauCode |
[ "009:25" ] |
|---|---|
| identifier | https://healthdata.gov/api/views/iwka-zs65 |
| issued | 2025-09-05 |
| landingPage | https://healthdata.gov/d/iwka-zs65 |
| programCode |
[ "009:066" ] |
| theme |
[ "NIH" ] |
