Otto's Original - Quality products since 1901
Soft Soldering

Solder Tincture WFF

Alcohol-based flux with activators containing halogen and resin (WEEE/RoHS conformant)
DIN EN 61190-1-1: (IEC RO/M1) or Type 1.1.2.A under ISO 9454

Pictures may differ from the original.

Packaging units:
Canister with 5 litres and 20 litres content. Our general terms and conditions apply.
Application area: Hard-soldering of ferrous materials, stainless steels, and copper and brass materials, use as powder or freshly mixed paste
Appearance/smell: Yellowish to brownish liquid
Density at 20 °C: About 0.9 g/cm³
Durability: 12 months
Water solubility: conditionally soluble
Flash point: 12 °C
Solid content: About 38% mass fraction Gew.-%
Activators: Amine, halogen-containing activators
Solvents: Short-chain alcohols
Resin: Kolophonium
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Added customer value

  • Universal flux for hand soldering and strand tinning
  • Very good solder properties even on ceramic substrates
  • Flux residues easily removable with aqueous cleaner despite high resin content
  • Very broad process window; good thermal stability
  • High flux-remnant surface resistance (SIR)
  • Transport- and storage-safety even when cold


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