SurTec 650 ChromitAL TCP

Product Code

0036501

Product Description

SurTec 650 chromitAL® is a chromium(VI)-free trivalent passivation for aluminium. The liquid concentrate delivers an excellent corrosion protection, comparable with the corrosion protection of a hexavalent passivation.

SurTec 650 chromitAL® is suitable for alloyed and casted aluminium and pretreatment before laquering, powder coating and gluing. It is easy to handle in immersion, spray and wipe application and produces an iridescent, faintly blue to tan and visible layer.

SurTec 650 chromitAL® meets or exceeds MIL-DTL-81706 and MIL 5541 for bare corrosion (336 h in NSS per ASTM B-117, respectively, DIN 50021 SS) and has a low contact resistance (< 0.8 mOhm/cm2). It is also heat resistant up to 100 °C (212 °F) with minimal loss in corrosion resistance.

Performance Features

Hexavalent chromium-free passivation for aluminum
Suitable as post-treatment of anodic coatings
Suitable as conversion coating of magnesium
Liquid concentrate, based on trivalent chromium
Excellent bare corrosion protection comparable to hexavalent passivations
Also works on alloyed and casted aluminum
Easy to handle in immersion, spray and wipe application
Produces an iridescent, faintly blue to tan and visible layer
Suitable as pre-treatment before lacquering, powder coating and gluing and approved by GSB and QUALICOAT

Product Categories

Surface Finishing

Anodizing / Aluminum Finishing

Chem Films

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