Residues RAT

Residues RAT is a gel that identifies active flux residues in order to optimize reliability of electronics.

  • Mapping levels of production residues on the PCBA
  • Optimization of soldering process
  • Quality control of production process

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Tin RAT is a gel that easily detects tin corrosion for electronics failure analysis and reliability testing.

  • Device robustness testing
  • Failure analysis of electronics from field returns
  • Complementary technique for LAB testing

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“Residues Rat allows very quick analysis – in hours compared to days with conventional analysis methods, where it is practically impossible to distinguish visually between tin contamination and flux residues.”

Kirsten Stentoft-Hansen about Residues RAT product


“Corrosion residues on comb structures could be clearly detected. Fast assessment possible without big effort. Good transparency of the base material of Tin rat.”

Pierre Eckold about Tin Rat product


Application of Tin RAT

About us

EC-RAT ApS is a spin-off company from the Center of Electronic Corrosion (CELCORR) research program led by the Technical University of Denmark.

The company was founded by researchers with a background in materials and surface science having strong competences in corrosion and climatic reliability issues. Our products are now used by world class companies.

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Get in touch

If you’re interested in our products and would like to find out more about them, please do not hesitate to contact us at and we’ll get back to you shortly.