Anodising

In surface technology, anodising refers to electrolytic processes for producing oxide layers on metals in order to protect them from corrosion and abrasion. The best-known anodisation process is Eloxal, the electrolytic oxidation of aluminium.

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Technical coatings
Colour anodising
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The advantages of anodising

Anodising is not only visually appealing, but also provides effective protection against abrasion and corrosion. The anodised layer also provides improved sliding properties and offers high heat resistance and good electrical insulation. These properties make anodised aluminium ideal for a wide range of applications in various industries.

References

Technical anodising

Hard anodising

Particularly hard and durable surfaces can be achieved by hard anodising (also called hard anodising). In contrast to normal anodising, hard anodising involves working with very high currents and temperatures around freezing point. As a result, Vickers hardness values of up to 550 HV can be achieved. To further improve the sliding properties, hard anodised parts can be PTFE impregnated.

Product data sheet hard anodising

Ematal anodising

Ematal anodised aluminium parts have a wear-resistant, slippery and almost non-porous surface. Ematal is used when friction is to be minimized by mechanical contact (e.g. in plain bearings), by a flowing medium (e.g. valve bodies and nozzles for gases or liquids) or a combination of these (in pneumatics and hydraulics).

Ematal Competence Center

Bilatal anodising

Bilatal is a special anodising process for various alumiunium alloys (press and rolled alloys). The Bilatal coating is characterised in particular by its low residual reflection in UV, DUV and VUV spectral range, as well as low outgassing behavior and good wear resistance.

Product data sheet Bilatal anodising

Colour anodising

Aluminium parts can be coloured by firmly binding colour pigments into the anodised layer. Due to different requirements of the target markets, BWB offers two colour systems: Colour for Industrial application with high chemical and mechanical resistance and colours for architectural applications with high weather resistance and light fastness.

Colour chart in industrial design

Colour chart in architecture

Requirements for the material

The aluminium alloy can affect the appearance and technical properties of the oxide layer. To find out which alloys are suitable for architectural or industrial applications, please refer to our suitability chart.

Suitability chart aluminium alloys

Pre- and after-treatments

Locations

Altenrhein

available

Dresden

available

Grosshöchstetten

available

Niederwangen

available

Schlieren

available

Stans-Oberdorf

available

Locations

Altenrhein

available

Brașov

available

Büren on the Aare

available

Dresden

available

Grosshöchstetten

available

Neer

available

Niederwangen

available

Schlieren

available

Stans-Oberdorf

available

Anodising

available

Locations

Altenrhein

available

Büren on the Aare

available

Dresden

available

Grosshöchstetten

available

Neer

available

Niederwangen

available

Stans-Oberdorf

available

Locations

Altenrhein

available

Büren on the Aare

available

Grosshöchstetten

available

Neer

available

Niederwangen

available

Stans-Oberdorf

available

Locations

Altenrhein

1500 x 150 x 150 mm

Neer

available

Stans-Oberdorf

available

Locations

Altenrhein

available

Büren on the Aare

available

Grosshöchstetten

available

Neer

available

Stans-Oberdorf

available

Locations

Altenrhein

1500 x 150 x 150 mm

Grosshöchstetten

available

Neer

available

Stans-Oberdorf

available

Locations

Altenrhein

available

Brașov

available

Büren on the Aare

available

Dresden

available

Grosshöchstetten

available

Neer

available

Niederwangen

available

Schlieren

available

Stans-Oberdorf

available

Locations

Altenrhein

1000 x 500 x 1000 mm

Grosshöchstetten

900 x 450 x 850 mm

Dresden

650 x 700 x 900 mm

Stans-Oberdorf

1150 x 900 x 1000 mm

Niederwangen

1000 x 800 x 400 mm

Locations

Altenrhein

1000 x 500 x 500 mm

Grosshöchstetten

available

Dresden

available

Niederwangen

available

Stans-Oberdorf

available

Location

Grosshöchstetten

available

Location

Dresden

available

Location

Dresden

available

Locations

Altenrhein

3400 x 700 x 1400 mm

Stans-Oberdorf

3100 x 400 x 1100 mm

Location

Stans-Oberdorf

3100 x 400 x 1100 mm

Location

Stans-Oberdorf

650 x 375 x 450 mm

Location

Grosshöchstetten

2000 x 1000 x 20 mm

Location

Dresden

available

Product data sheets

Anodising

Hard anodising

Heloxal hard anodising

Ematal anodising

Bilatal anodising

Pralox

Colour chart in industrial design

Markets

By proving market-specific certificates for aviation (Nadcap, EN 9100), architecture (Qualanod) and medical technology (ISO 13485) as well as the implementation of the necessary quality management systems (ISO 9001), BWB proves to be a reliable partner in the industry.

Aviation

Architecture

Mechanical engineering