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Flux concentrate EO-M-016 (CU/MS)

Recommended method of application
Surface finishing of copper and brass strips and wires with pure tin, strip tinning, radiator manufacturing

Flux concentrate for soldering and tinning processes (strip tinning / radiator manufacturing)
Activator base: bromide, zinc-free and miscible with water (WEEE/RoHS compliant)
Type ISO-9454: 2124 (2.1.2.A)

Cat.-No. 6518

Technical Data

Appearance: colourless to light yellow, transparent liquid
ph-value (1/1): 0 – 0.4
ph-value (1/10): 0.5 – 2
Density at 20 °C: 1.1 – 1.2 g/ml
Activators: organic halogenide complex
Storage: 10 – 25 °C


This special flux is based on a high-performance bromide activator and does not contain any heavy metal compounds such as zinc or zinc ammonium chloride. Instead, it relies predominantly on organic halogen compounds. These are characterised by the fact that they dissolve oxides spontaneously and intensively on the one hand, and successively decompose from approx. 230 – 260 °C (max. 350 °C) on the other. Hardly any residues remain when the process is adapted.

EO-M-016 was specially developed for the continuous surface finishing of copper and brass strips and wires with pure tin, Sn/Pb alloys and other Sn alloys. The main areas of application are strip tinning and radiator production. The flux can be used in these processes at very high throughput speeds due to the exceptional reaction speed and the resulting “fast boiling out” as well as the fast drying.

The flux also contains specially formulated surface-active additives that offer the advantages of intensive wetting and economical consumption.

Processing instructions:
EO-M-016 is a ready-to-use flux and can be used directly. The flux concentrate is also suitable for the production of other ready-to-use solutions (dilutions, e.g. for hot-dip tinning of Cu or Cu alloys). In practice, mixing ratios in the range of 1:4 to 1:10 are known for this process. However, the optimum dilution depends on the process and the quality and surface properties of the material to be tinned and must therefore always be determined by the user through appropriate tests.

Customer added value

  • Based on organic halogen compounds
  • Very good residue behaviour
  • Fast boiling out and fast drying of the flux
  • Intensive wetting with economical consumption

Packaging units

Canister: 30 kg, 200 kg, 1000 kg (IBC)
Other packaging units on request