Chromatising (chromate conversion coating) Chromatising is used to chemically convert the surface of the aluminium product. This results in a thin oxide layer, what is referred to as a conversion layer, which offers protection. During the chromatising, a surface layer results which varies in colour from white to gold/brown iridescent. Chromatising is often applied as a coating pre-treatment as it provides high-quality adhesion and excellent protection against corrosion. Moreover, it is often prescribed locally for facings or for electrical conductivity.
- Electrical conducting coating.
- Effective protection against oxidation in the case of products applied internally in machines.
- As a result of the excellent adhesive characteristics, chromating is a suitable pre-treatment for further coating processes.
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