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SurTec

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SurTec 650
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- Hexavalent chromium free passivation for aluminium
- Suitable as post treatment of anodic coating
- Suitable as conversion coating of magnesium
- Liquid concentrate, base on trivalent chromium
- Excellemce bare corrosion protection comparable to hexavalent passivations
- Works on alloyed and casted aluminium
- Easy to handle with immersion, spray and wipe application
- Suitable for pretreatment before lacquering, powder coating and gluing and approved by GSB and QUALICOAT
- Produce an iridescent, faintly blue to tan and visible layer
- Low contact resistance: < 5000 µOhmper square inchper MIL--DTL-87106B
- Heat resistance inorganic passivation layer
- Applied for US patent: 6,375,726; 6,511,531; 6,521,029; 6,57,841