Since its foundation in 1990, ZESTRON has developed into the world's market and innovation leader for cleaning agents and processes for SMT electronics (pcb, stencils, screens, solder frames, condensation traps, reflow ovens), power electronics & packages as well as precision parts cleaning / MRO.

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SMT Electronics Cleaning

ZESTRON offers cleaning chemistry and process solutions across the entire assembly process to remove flux residues, adhesive and solder paste of:

  • PCB                                                               
  • Misprints
  • SMT stencils, screens
  • Solder pallets
  • Reflow ovens and wave soldering ovens
  • Condensation traps
  • Squeegees
  • Dispensing needles
SMT Electronics Cleaning

Power Electronics Cleaning

For best results on shear tests, power cycling as well as properly prepared substrates for any subsequent bonding and molding processes of:

Power Electronics Cleaning

Cleaning of Packages

For the optimal defluxing after pre-balling, i.e. the solder bump reflow process to guarantee a flawless image resolution free of streaks and particles for:

Cleaning of Packages

Process Optimization Products

For process monitoring of your wash bath as well as for the analysis of your cleaning results we offer following products:

Bath monitoring:

  • ZESTRON EYE for automatic real-time concentration measurement
  • Bath Analyzer Kits for manual concentration measurement

Surface analysis of PCBs:

  • ZESTRON Flux Test to detect flux and activator residues
  • ZESTRON Resin Test to detect resin residues
Process Optimization Products

Process Support & Services

Looking at the cleaning process in its entirety has first priority for ZESTRON. Therefore, with our 6 Technical and affiliated Analytical Centers world-wide and local teams of process engineers in  Europe, the USA, East- and South China, Malaysia and Japan, we offer the possibility to conduct cleaning trails under field conditions.

Please contact Mr. Steve Collier, Sales Manager for UK and Ireland, for dedicated advice or an appointment to discuss:-

  • Cleaning applications
  • Cleaning tests
  • Development and optimization of your cleaning process
  • Surface cleanliness analysis
  • Analysis of your wash bath
Process Support & Services


With the ZESTRON Academy we created the leading knowledge and expertise platform for electronics cleaning. Please visit our website to check out our range of webinars and trainings available.

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