Theo FÖRCH GmbH & Co.KG

We only sell to traders

Rust Solvent S444 FÖRCH 5*


  • Mineral-oil-free, high-tech rust solvent
  • Penetrates even the smallest crevices, thanks to its
    innovative formula, and infiltrates and dissolves the rust
    to free the connection
  • The dissolving power of the product increases with application time
    (up to 24 hrs.)
  • Extraordinary dissolving power, extreme capillary activity
  • Infiltrates moisture and actively removes deposits, e.g.
    encrusted dirt, oil residue or resin from the
  • Thanks to its excellent penetrating and cleaning properties, it is also
    suitable for the cleaning of rust film, rust stains, oil, limescale, cement, soot
    and oxidation residues
  • Does not corrode conventional metal and rubber engine compartment
  • Low-friction active ingredients prevent
    tilting again when unscrewing
  • Safe for humans and the environment: mineral-oil-free and biodegradable,
    free from grease, resins, heavy metals, silicone and AOX
  • Technical data
    Chemical basis:Aqueous surfactant solution
    Colour:Transparent, colourless to yellow
    pH value:5.0 – 7.0 at 20 °C
    Flash point:-104 °C
    Ignition temperature:340 °C
    Density:0.75 g/cm³ at 24 °C
  • Usage