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- Hexavalent Chromium free
- Trivalent chrmoium passiviation for aluminiunm - Ready to use solution for spray and wipe application - Viscous adjusted solution for better and longer moistening - Excellent bare corrosion protection, comparable to hexavalent passivations - Suitable as pre-treatment before lacquering, powder coating and gluing - Produces an iridescent, faintly blue to tan and visible layer - SurTec 650 RTU meets or exceeds MIL-DTL-81706 and MIL 5541 for bare corrosion (336 h in NSS per ASTM B-117, respectively, DIN 50021 SS) - Low contact resistance: < 5000 µOhm per square inch per MIL-DTL-81706B (as SI unit: < 32.25 mOhm · cm2) - Heat resistant up to 100°C with minimal loss in corrosion resistance |
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