Otto's Original - Quality products since 1901


Cat. no. 4649 (#2953, #3965, #3966)
Selective and manual soldering processes with halogen-free activators
ISO-9454: 2231
DIN-EN 61190-1-1 (acc. to J-STD004): L0 (IEC OR/L0)
WEEE / RoHS - compliant

Packaging units:
8 ml
50 ml
5 and 20 litres
Application area: Selective soldering, manualsoldering
Appearance/smell: colorless - amber coloured, clear liquid
Solids content: 3,9 – 4,1 Gew.-% (wt.-%)
Density at 20 °C: 0,797 (+/- 0,003) g/ml
Acid number: 30 - 36 mg KOH/g
Activators: Activator system of EO-G-002 (EO cat. no.: 6015), (di-)carboxylic acid complex
Solvents: Mixture of monohydric alcohols
Flash point: 12 °C
Download product information
PDF (168 KB)


This flux was developed for selective and manual soldering processes as well as cable assembly.

EO-RF-G002 contains the activator system of our proven water-based flux: EO-G-002; EO cat. no.: 6015.
The application is carried out via the special EO-FLUX-DOSAGE-BOTTLE, but can also be carried out by all usual application methods (except foaming). The solid content is 4 % by weight.


Questions about our products?
We will advise you by phone 06123 / 7046-0.