NOCOLOK® Precoating can be used in mixture with NOCOLOK® Flux or NOCOLOK® Zn Flux and water to improve adhesion of the flux coating. The system can be applied on external and internal surfaces in order to reduce flux fall-off and dust formation on handling of flux coated components. Proper application of the Precoating/water/flux system shows no negative effects regarding the appearance of the post braze aluminium surfaces, compared to the use of pure NOCOLOK® Flux or pure NOCOLOK® Zn Flux (especially no discoloration effects). Suitable application methods: spraying, dipping or brushing Surface temperature: > 10 °C, with subsequent drying step Recommended thickness of the coating: 10 – 30 μm


  • Global Business Unit
    Special Chem
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Segments Applications
Energy savings Cooling & Heating systems
Segments Applications
Powertrain Efficiency Cooling & Heating systems
Segments Applications
Industrial Equipment Industrial Equipment Parts
Metal & Surface Treatment Metal Treatment
Segments Applications
Household Goods White Goods

Chemical categories

Chemical category Chemical family Chemical product
Fluorine derivatives Fluorinated Chemicals Potassium fluoroaluminate

Region of commercial availability

  • Asia / Pacific
  • Europe / Middle East / Africa
  • North America
  • Latin America

Download documentation for NOCOLOK® PRECOATING (water soluble)