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DIN EN 4729

Aerospace series - Trivalent chromium based chemical conversion coatings for aluminium and aluminium alloys; German and English version EN 4729:2017

active, Most Current
Organization: DIN
Publication Date: 1 November 2017
Status: active
Page Count: 29
ICS Code (Other treatments and coatings): 25.220.99
scope:

This European Standard specifies trivalent chromium based chemical conversion coatings for aluminium and aluminium alloys. It covers the application by bath but also by touch-up. It doesn't give complete in-house process instructions; these shall be given in the manufacturers detailed process instructions.

Purpose of process

The aim of the trivalent chromium based chemical conversion coatings is to increase corrosion resistance, to improve the adhesion of paints and varnishes and to ensure electrical conductivity. Coatings are also suitable for the repair of mechanically damaged anodic coatings.

Document History

DIN EN 4729
November 1, 2017
Aerospace series - Trivalent chromium based chemical conversion coatings for aluminium and aluminium alloys; German and English version EN 4729:2017
This European Standard specifies trivalent chromium based chemical conversion coatings for aluminium and aluminium alloys. It covers the application by bath but also by touch-up. It doesn’t give...
May 1, 2017
Aerospace series - Trivalent chromium based chemical conversion coatings for aluminium and aluminium alloys; German and English version FprEN 4729:2017
A description is not available for this item.

References

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