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Alcohol-based flux EO-B-010A (multiflux)

Recommended method of application
Wave, selective, manual and repair soldering, dip soldering

Flux, alcohol-based
Di-carboxylic acids, synthetic resin complex, halogenide-free (WEEE/RoHS compliant) [OSP compatible]
Type ISO-9454: 1231 // DIN EN 61190-1-1: L0 (REL0)

Cat.-No. 6089

Technical Data

Appearance/smell: colourless pale yellow, clear liquid
Hazardous goods: Yes
Solids content: 2.0 wt.-%
Acid number: 14 – 16 mg KOH/g
Halogenide-free: Yes
Resinous: Yes
Available as concentrate: No
Density at 20 °C: 0.793 (+/- 0.003) g/ml
Flash point: 12 °C
Durability: 12 months


This flux is very versatile in use and OSP-compatible. Good results have been achieved both with manual, wave and selective soldering. The general rule is to basically apply as little flux as possible, is also applicable for this product.

Spray fluxing: With the dosing option quantify of flux, first set to 30 – 40 ml/min., observe the even distribution of flux on the circuit board (if necessary test with heat-sensitive paper) and then adjust to the optimal quantity.

Preheating: With “simple” circuit boards a preheating temperature of 80 – 110 °C is recommended on the top side of the circuit board, with “more complex” boards a temperature of 100 – 130 °C. It can be used both in solder systems containing lead as well as lead-free solder systems.

Customer added value

  • Wide range of applications (multiflux)
  • Very good soldering properties (capillarity, wetting)
  • Available as concentrate (granulate)
  • Broad process window (very high thermal stability, good activity over a long interval)
  • Very good residue behavior (very clean, high SIR)
  • Successful passing of internal test (SIR selective)

Packaging units

Dosing bottle: 50 ml
Metering pen: 8 ml
Canister: 5 l, 20 l