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EMADOX®D525 protects the water based formulations (coatings, paints and varnishes) from the flash-rust phenomenon observed during the application and drying stages.

EMADOX®D525 is a ready to use aqueous solution combining several corrosion inhibitors.

EMADOX®D525 is VOC* free, nitrite free and European Ecolabel* compliant.

Applications - Dosage

EMADOX®D525 is mainly recommended for:

  • in-can protection for metal packaging filled with water based formulations (paints and varnishes, but also cleaning products)
  • flash-rust protection of water based decorative coatings based on acrylic dispersions, alkyd emulsions.

EMADOX®D525 must be added preferentially in the letdown, before the rheological agents. The use in post-addition is also a possible option. The use levels are:

  • typically, around 1% based on the total weight for in-can protection
  • 1.5 to 2% based on the total weight for flash-rust protection

There is no advantage to use higher levels. On the contrary, a too high dosage can increase the water sensitivity of the dry film.


Aspect: yellow to amber limpid liquid, non foaming
Density: 1.25 – 1.31 at 20°C
pH: 8.2 – 8.8 at 20°C
Solubility: Water soluble in all proportions

EMADOX®D525 can release an odour specific to its composition, even in the dry film, for a prolonged period of time.

Storage - Shelf-life

It is recommended to use EMADOX®D525 within 2 years following its manufacture (see the expiration date on the label).


EMADOX®D525 is not classified according to Regulation (EC) No. 1272/2008 [CLP].

For further information, please consult the MSDS.

Regulatory information

EMADOX® D525 components are registered on the following inventories: EINECS (Europe), TCSI (Taiwan)


EMADOX®D525 is active on steels, aluminum.

EMADOX®D525 formulation has been adapted in order to have every components listed on the following inventories, besides EINECS (Europe) and TCSI (Taiwan):

TSCA (USA), DSL (Canada), AICS (Australia), NZIoC (New Zealand), ENCS/ISHL (Japan), KECI (Korea), IECS (China).

This version is available under the trade name EMADOX®D525-C.


Polyethylene pails of 20 kg and 35 kg net
Metallic drums of 250 kg net
Polyethylene IBC of 1200 kg net
Non-returnable packages.

*VOC: volatile organic compounds defined by the Directive 2004/42/EC