Easy-to-Handle Moisture Scavenger

Additive OF is a stabilizer additive / moisture scavenger for solvent-based polyurethane coatings. This solution is 100% active.


Benefits of Easy-to-Handle Moisture Scavengers

Additive OF provides long-term dehydration in coatings. Benefits include improved storage stability and the reduced likelihood of moisture-related issues being present. Moisture-related issues include gloss reduction, haze formation, and foam generation. This product’s reaction produces fast evaporating solvents which are non-toxic and do not cause gassing.



Additive OF is ideal for solvent-based 1k and 2k polyurethane coatings. It can be used as a package stabilizer. Additive OF can be added directly to the polyol or isocyanate component.


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  • Physical Characteristics

    AppearanceClear colorless
    Density0.89 g/cm3
    ColorAPHA: Max. 20,
    ISO 6271

  • Features

    • Low viscosity
    • Eliminates moisture in solvent-based 1K and 2K
      polyurethane coatings
    • Compatible with most polyol and isocyanate components
    • The combination of Additive TI and Additive OF in the
      formula stabilizes the polyurethane coating (direct contact
      between Additive TI and Additive OF should be avoided as
      this could render them ineffective)
    • In pigmented one-component polyurethane formulations
      Additive TI should be added to the dispersion phase to
      remove any water present and then Additive OF should be
      added in the letdown

  • Applications

    • Solvent-based polyurethane coatings

  • Dosage

    The recommended range of Additive OF is 1 – 3 % as supplied based on the total weight of the coating. Exact amounts should be experimentally determined and will be dependent on the individual system.

  • Storage

    Protect from the effects of weathering and store at temperatures between 5 and 30 °C. Once opened, containers should be resealed immediately after each removal of the product.

  • Safety

    Details of product safety can be found in our material safety data sheet.

Registration :

For chemical inventory status, please review section 15 of the current SDS.

Click here to access the SDS portal.

For additional regulatory information, please contact [email protected].

Moisture Scavengers Products