The importance of chrome-free conversion coatings in the pretreatment of aluminum
Researchers are diligently working to find replacements for chrome conversion coatings in the pretreatment of aluminum.
The intent of the article is to help readers understand why replacements are being sought. The article explains what a conversion coating is and why it's important in the surface preparation of aluminum. It then discusses the cleaning and deoxidising of aluminum before application of the conversion coating.