Holden Aluminium Technologies can supply products in a range of finishes including:
Our technical staff can advise on the appropriate and most effective finishing requirement on request.
Anodising and colours for the surface treatment of aluminium profiles in bronze and black. Sapa Lok is a cobalt-based application.
A particular benefit of the Sapa Lok process is a highly durable surface coating, with no risk of chalking. Sapa Lok also offers enhanced corrosion resistance combined with high UV stability to ensure colours do not fade.
One of the most common surface-treatment methods, is used to create:
The most common form of anodising is natural anodising. Sapa also delivers profiles with oxide layer impregnated with colour pigment. These include pigments with excellent colour fastness, suitable for outdoor use. Anodising produces a decorative, soil-repellent, corrosion-resistant surface. The surface of the metal is transformed into oxide through electrolysis. the process continues until the thickness of the oxide layer is the desired thickness – usually 5–20 µm. The oxide layer can be dyed, as shown here.
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BS EN ISO 9606-2:2004