WATER BASED COMPOSITION FOR METALLIC MATERIAL
PROBLEM TO BE SOLVED: To obtain a water based composition for chromating capable of giving uniform appearance, excellent corrosion resistance, blacking resistance, weldability and good grounding property to the surface of a metallic material. SOLUTION: The water based composition coating sol. contai...
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Zusammenfassung: | PROBLEM TO BE SOLVED: To obtain a water based composition for chromating capable of giving uniform appearance, excellent corrosion resistance, blacking resistance, weldability and good grounding property to the surface of a metallic material. SOLUTION: The water based composition coating sol. containing 6-valent chromium, a smectite clay mineral expressed by the formula, (Si8 (Mga Lib ) O20 (OH)c F4-c ) Me (where, 0 |
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