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SurTec 650

SurTec 650 Brush RTU

Ready-to-Use Trivalent Chromium Conversion Solution

SurTec 650 Brush RTU is a trivalent Chromium ‘Ready-To-Use’ solution, for brush, spray or wipe application to Aluminium and Magnesium. It increases corrosion resistance and paint adhesion, and is hexavalent Chromium free.

  • Forms an iridescent blue to tan protective chromate coating.
  • Excellent bare corrosion protection.
  • Suitable as a pretreatment before lacquering, powder coating and gluing.
  • Hexavalent Chromium free – meets all RoHS test criteria (IEC1 11/24/CD).
  • It has a low electric resistance – under 0.8 milli-ohms/cm2.
  • Heat resistant up to 100°C with minimal loss in corrosion resistance.
  • Can be used with or without topcoating with paint.
  • Meets U.S. MIL-DTL-81706 and MIL-DTL-5541.


Download a Technical Data Sheet for SurTec 650 Brush RTU here.

For a Safety Data Sheet, or to buy SurTec 650 in the UK, please contact us.

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Powder coating of metal parts. A woman in a protective suit sprays powder paint from a gun on metal products
Metallic pieces galvanized on zinc bath