Although widely used throughout many industries mild steel is vulnerable to rusting.
Rusting steel fabrications are expensive to maintain or replace and look just awful. Powder coating is a good option for protecting your steelwork from chemical or atmospheric corrosives.
Polyester is easily our most popular powder coating resin. It is inexpensive, versatile, offers reasonable chemical resistance and good UV stability.
For applications where there is a high risk of contact with corrosive materials it is better to switch to an Epoxy resin. The Epoxy resins have much better corrosion resistance but are not as UV stable and so should not be specified for external applications.
All steelwork located outside or steelwork located inside within corrosive environments should have either a powder coated primer or hot dip galvanized coating applied underneath.