Aluminium processors must treat the metal in several ways, requiring materials for degreasing, etching, anodising and conversion coatings. These materials provide a variety of finishes to meet varying industry needs. In addition, chrome-free coatings are available to meet regulatory requirements and sustainability goals.
total
aluminium consumption expected to grow in the following decade.
consumption growth
is forecast from the transportation sector.
less energy
required to recycle, than to produce primary metal.
Henkel's long-standing expertise and innovative portfolio in cleaners, metal pretreatments and coatings help aluminium component manufacturers, aluminium coaters, and anodisers improve materials and manufacturing processes. With industry know-how and tailored solutions, Henkel and its BONDERITE® technologies drive efficiency and reliability while advancing sustainability.
- Article
- Podcast
- White paper
- Aluminium degreasing
- Aluminium etching
- Chrome-free conversion coatings
- Chrome-based conversion coatings
- Aluminium anodising
Aluminium degreasing is crucial, removing contaminants to ensure the best process results. Specifically, BONDERITE® aluminium degreasers remove oils, magnesium oxide and polishing pastes, support a broad temperature range and boost paint and lacquer adhesion. BONDERITE® degreasers are borate- and silicate-free and suitable for high-gloss aluminium as used in ultrasounds.
Etching aluminium is an important step in the anodising process and cleans the aluminium surface, removing all alloy metals that could interfere with the anodising stage. BONDERITE® strong alkaline liquid products are developed specifically for aluminium to create different finishes, from semi-gloss to E6 matt.
BONDERITE® provides an extensive range of eco-friendly chrome-free conversion coatings based on zirconium or titanium for treating non-ferrous alloys. The process provides excellent corrosion resistance and paint adhesion with increased process stability.
Chromate conversion coatings passivate metals using an immersion bath process and are applied as a corrosion inhibitor, primer, decorative finish or to retain electrical conductivity. BONDERITE® chromate conversion coatings for aluminium are acid, liquid and powder products developed specifically for aluminium conversion coatings, helping to simplify coating processes with the highest standards in corrosion protection and paint adhesion.
Aluminium anodising is a controlled oxidation process comprising 5 distinct stages: cleaning, pretreatment, anodising, colouring and sealing. BONDERITE® solutions deliver superior cost-in-use and operational efficiency through a broad portfolio of cleaners, surface treatments and coating products, improving manufacturing processes while increasing corrosion resistance, abrasion protection, insulation and aesthetics.
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