Aluminium surface treatments: for every extrusion profile
Whether the profile comes from Mifa or from yourself, we offer a coating for every aluminium profile
Surface treatments at Mifa
An aluminium surface treatment is the process of treating the surface of aluminium to enhance properties such as corrosion resistance, wear resistance, and aesthetic appearance. Having surface treatments carried out by Mifa offers you the following benefits:
Large and small batches
At Mifa, we can treat aluminium profiles with surface treatments and/or coatings in both high and low volumes — all with consistent quality. Our current bath line is 3.6 metres long. With the introduction of the new bath line for surface treatments, we will have baths with greater depth, allowing us to treat larger volumes in a single batch.
Consistent quality
Precision at Mifa is not only crucial for extrusion but also for surface treatments. Surface treatments and coatings are applied not only to extend the product’s lifespan and prevent corrosion but often for aesthetic reasons as well.
We can guarantee the highest quality in this regard because we are able to perform selective laser removal (local de-coating) and consistently maintain the same formula. If you choose to anodise in a particular colour, we can ensure the same colour on every profile. By selectively de-coating and thus laser removing the anodised layer, we can work with utmost precision. This is also a more cost-effective and accurate alternative to masking.
Contact us directly
Our engineers are happy to advise on the best surface treatments and coatings based on the material and its corresponding properties.
Optimal protection against corrosion
Improved surface texture and roughness
Achieving the desired reflectivity
Applying colour or electrical insulation
Enhanced wear resistance
Improved adhesion for gluing or painting
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Anodisation
Anodising is an electrochemical process in which aluminium is converted into aluminium oxide (Al₂O₃) in a controlled environment. At Mifa, we anodise aluminium profiles in various ways:
- GLISSCOAT 2083® coating
- Standard/technical anodising
- HART-COAT® (hard anodising)
Specifically, HART-COAT® is a hard electrolytic oxide layer that protects aluminium alloys against wear and corrosion. This surface treatment, commonly known as hard anodising, is essentially designed to enhance the properties of a wide range of components while upgrading and/or optimising their visual appearance. Some benefits include:
- High wear resistance
- High thermal resistance
- Electrical insulation values
- Excellent dimensional stability
Through anodising, you can also colour your profile—depending on the alloy. At Mifa, we can colour the anodised layer in the following colours:
- Black
- Bronze
- Red
- Blue
- Other colours available on request
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Passivation
By passivating the surface of a workpiece, it is protected against corrosion. The resulting conversion layer also provides an excellent base for applying various coatings. This layer is electrically conductive with a constant resistance. At Mifa, we can passivate and chromate aluminium using Surtec 650, which offers the following benefits:
- Improved corrosion resistance
- Base for (wet) coating systems
- Constant resistance for electrical conductivity
Surtec 650 is a good alternative to Chrome 6. It offers several advantages over Chromatic-6, particularly in terms of health, environmental impact, and regulations. Please contact us for more information about this alternative to Chrome 6.
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Application of polymer coatings
Polymer coatings are protective layers made of polymer material applied to the surface of aluminium. This coating provides corrosion resistance, enhances aesthetics, and can serve as an insulating or lubricating layer, depending on the specific use and composition of the polymer material. It protects the aluminium from environmental influences and extends the material’s lifespan. The types of polymer coatings we offer at Mifa include:
- TUFRAM® (hard anodising with a polymer post-treatment)
- LECTROFLUOR®
- NEDOX® (chemical nickel with a polymer post-treatment)
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Custom coatings
Vapour deposition is a surface treatment using vapour, which can be produced through chemical reactions (CVD) or physical reactions (PVD).
Beyond CVD/PVD, we work closely with customers to develop customised coatings. For example, we have developed a proprietary anodising layer called GLISSCOAT 2083, designed to minimise roughness while maintaining wear resistance.
Our engineers are ready to collaborate with you to find the best possible surface treatment for your extrusion profiles. Please contact us using the details provided alongside.
Contact us for more information
Customer case: co-engineering for the best surface treatment
At Mifa, our engineers possess years of knowledge and expertise in aluminium extrusion profiles. By combining this with the insights of our customers, we create high-quality, fully finished precision products. Through co-engineering, we pool our know-how from various disciplines to develop quality aluminium extrusion end-products, optimise costs, and continuously innovate.
In collaboration with our partner SodaTASTE, we have successfully produced several prototypes of pressure cylinders, applying our expertise in coloured anodising.
SodaTASTE came to Mifa Aluminium because we are one of the few companies offering Bright Dip in-house. Our engineers worked closely with the partner to test various colours. Read more about the SodaTASTE case here.
Part of Aalberts
Mifa Aluminium is part of the publicly listed company Aalberts. In addition to offering a variety of surface treatments in-house at Mifa, we outsource certain surface treatments to sister companies within Aalberts Surface Technologies — ensuring we can always deliver an optimal end product.
More information about our aluminium surface treatments?
Call or email Fons
Manager Surface Treatment