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Galvaprep 5, Zinc Phosphate Coating #681-201
Galvaprep 5, Zinc Phosphate Coating
Chemical Name:
Galvaprep 5
Zinc Phosphate

Detailed Product Description:

Galvaprep 5® is a concentrated, non-flammable, phosphoric acid-based

coating chemical designed to produce a zinc phosphate conversion coating

on galvanized steel surfaces. The coating thus produced becomes an intimate

component of the metal surface that maximizes both paint adhesion and

corrosion resistance.


Application Notes:

Galvaprep® converts the zinc metal and oxide on a galvanized surface to zinc

phosphate, which provides an excellent paint base.  The resulting zinc phosphate

coating is white in color.  It is best to paint surface as soon as possible after

treating to avoid any possible contamination from handling.


Consult Technical Process Bulletin #234451 for details of use.


Click here to download Henkel Galvaprep Technical Process Bulletin


Surface Preparation:

Surfaces must be cleaned with a suitable etchant such as Metal Prep 79,

followed by a water rinse.



Formulation contains phosphoric acid, nitric acid and nickel nitrate.

Consult MSDS (Material Safety Data Sheet) before using this substance.


Click here to download Material Safety Data Sheet (MSDS)



Comes packed in 1-quart HDPE bottle with tamper-evident

seal in heat-sealed poly bag.



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