Recent Developments in Phosphating Available to Purchase

The phosphate treatment of metals has been in industrial use for over 50 years and is the most widely used method of treating light‐gauge steel as a preparation for painting; in addition, during the last 20 years, its use as an aid in the cold forming of steel in such operations as tube and wire drawing has been established. As a result of these trends, phosphating is now a very significant part of the whole metal finishing industry. This review includes advancements in operation, composition and use.