Product Categories / Metal Treatment / Additives

Duradd 65

Product description

Duradd 65 is a liquid blend of oxides agent and special additives used as an accelerator in manganese iron phosphating bath.


  • Duradd 65 is used to gives a fine, smooth crystal structure, and improve coating weight of manganese phosphate.


  • Duradd 65 used in manganese phosphating bath in immersion process.

Physical & chemical Properties

  • Appearance       Liquid Color         Brownish PH(1%) at 25oC 3.4 ± 0.3 at    25 oC 1.01 ± 0.03 Miscibility in water Miscible


  • See the original Manganese Iron phosphate product TSD.

Process Sequences


Operating Parameters

Initial Preparation

  •  Add 100 liter of Duradd 65 per 1000 liter bath (to be added just before starting the line after adding the manganese phosphating Duraphos 656 while mixing)