Product Categories / Metal Treatment / Additives

Duradd 11

Product description

Duradd 11 is a liquid surfactant additive based on nonionic surfactants for immersion and spray processes.


  • Duradd 11 is an excellent additive for iron phosphate baths such as (Duraphos 503, Duraphos 501).
  • Duradd 11 can be used whenever the substrate needs extra cleaning due to heavy oils in Spray and dip process.
  • Duradd 11 is used in dip application and in low dosage in spray application process.


  • Duradd 11 can be used in acidic and alkaline cleaner’s baths.

Physical & chemical Properties

  • Appearance     Liquid. Color    Clear Yellowish PH Direct at    25 oC 8.7 ± 0.5 Density at    25 oC 1.02±0.05 g/cm3    Miscibility in water    Miscible.


  • See the main product.

Process Sequences


Operating Parameters

  • Duradd 13 is adding in range of 500 to 1500 ml/ 1000 just before starting the line and depend upon the substrate to be treated.

Initial Preparation