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Electrolytic oxidation - Eloxal process - Anodisation

During the surface refinement, we work closely with companies that have the expertise and understand problematic that our products may present. The text below was written in cooperation with our expert suppliers.

Electrolytic oxidation (anodising) of aluminium, DIN 17611.

This is an electro-chemical process during which an aluminium oxide is created on the aluminium surface This oxide layer is grown down into the surface and out from the surface. After sealing (the pores are closed), the coating is very dense, hard and resistant to the effects of the weather.

Colour may be applied to the coatings. The following colours are available:

Colours according to the German Eloxal Association

 

EV1 natural
EV2 bright gold
EV3 dark gold
EV6 black

Colours based on EURAS standard

C-31 light bronze
C-32 bright bronze
C-33 medium bronze
C-34 dark bronze
C-35 black

Additional colours are available for larger quantities, starting at 500 m2 e.g., royal blue, sapphire blue and green. More colours upon request.

Moreover, prior to proceeding with the anodisation, the material must be pre-treated. This is categorised as follows:

E0

without considerable surface removal

E1

ground *

E2

brushed *

E3

polished *

E4

ground and brushed *

E5

ground and polished *

E6

chemically treated in a special pickle

When using a pre-treatment identified with * a maximum size of 1000 x 2000 mm must be taken into consideration.

For perforated and embossed sheet metal plates the combination E6/EV1 is often preferred.

During this process, the perforated and embossed sheet metal plates are chemically pre-treated and receive a natural aluminium lustre.

We recommend the use of the material Almg1, anodising quality.

 

 Audi facades

Audi facades

Berlin

Berlin

Provex

Provex

Piz Boè Alpine Lounge

Piz Boè Alpine Lounge

Jönköpin Sweden

Jönköpin Sweden

Missoni Delhi

Missoni Delhi

Museum of islamic art  Doha

Museum of islamic art Doha

BMW Museum

BMW Museum

Seniorresidenz Mannheim

Seniorresidenz Mannheim

King Abdullah Financial District

King Abdullah Financial District

winegrowers' cooperative

winegrowers' cooperative

Beispiel

Beispiel