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   Automotive-Aluminium heat exchangers

NOCOLOK® The World of Aluminium Brazing

The NOCOLOK flux brazing technology is the industry standard for brazing aluminium heat exchangers and other components. Brazed microchannel heat exchangers have been the technology of choice for the automotive industry for the past 20 years.

The applications for NOCOLOK Flux aluminium brazing are:

NOCOLOK is available as a powder for various applications (slurry, electrostatic applications and binder paint-like mixtures). The NOCOLOK product range offers a variety of specialized brazing fluxes for applications such as greater tolerance to magnesium, zinc diffusion and cladless brazing. NOCOLOK flux is also found in other products such as brazing rings and flux cored wire.

NOCOLOK is more than just a flux. We offer a value added service for your brazing process:

  • Wide choice of quality products
  • Covering the complete range of aluminium-brazing
  • Application technology
  • Development of new fluxes
  • Customer service
  • Technical assistance and consulting
  • Research
  • Documentation
  • Publication
  • Worldwide agents network
  • Supply security
  • Reuse concept
  • Prototyping and contract-brazing
  • 30 years flux production experience
  • Quality management
  • Technical training seminars





 Products

ANTAROX BL-225 ANTAROX BL-225 low foaming surfactant for brazing flux suspensions (up to 50 °C)
CsAlF-Complex Cesium fluoroaluminates are particularly suitable for flame brazing at temperatures between 430° - 480° C.
NOCOLOK® Binder (water soluble) Component for flux binder mixtures for selective fluxing
NOCOLOK® Cs Flux NOCOLOK® Cs Flux is specifically made for brazing magnesium-containing aluminium alloys
NOCOLOK® Flux NOCOLOK® Flux is not only suitable for both furnace and flame brazing applications, but also for induction applications. It is used in the automobile sector, households, refrigeration applications, and for tube connections.
NOCOLOK® Flux Drystatic NOCOLOK® Flux Drystatic is a flux for brazing of aluminium using electrostatic/dry powder application
Nocolok® Flux P2 Nocolok® Flux P2
NOCOLOK® Flux plus Binder Mixture -Preparation ready for use- Flux-binder mixture for selective fluxing
NOCOLOK® LM Flux NOCOLOK® LM Flux is a flux for brazing aluminium. Particularly suitable for process conditions with a maximum brazing temperature below 595 °C.
NOCOLOK® Sil Flux (coarse grade) Particularly suitable for brazing aluminium without additional filler metal.
NOCOLOK® Sil Flux (extra fine grade) Particularly suitable for brazing aluminium without additional filler metal
NOCOLOK® Sil Flux (fine grade) Particularly suitable for brazing aluminium without additional filler metal.
NOCOLOK® System Binder (water-based) Binder system for flux binder mixtures for selective fluxing
NOCOLOK® Thickener (water soluble) Component for flux binder mixtures for selective fluxing
NOCOLOK® Zn Flux NOCOLOK® Zn Flux: During brazing, potassium fluoroaluminates ( flux ) are generated by the brazing agent in contact with Al / Si filler metal. In addition, zinc is produced and diffuses into the aluminium surface.

 
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