Powder Coating Process For Galvanized Steel
However astm d7803 includes a pre heating step to drive off air and moisture from the prepared galvanized surface prior to powder coating. In the first step the steel part is galvanized with a layer of zinc.
Yes we can apply a powder coat over galvanized steel to create a high grade architectural finish.
Powder coating process for galvanized steel. Powdergalv exclusive powder coating process for galvanized steel. What is powder coating on hot dip galvanized steel. The steel part is coated with a thin layer of molten zinc.
Galvanized steel with a powder coated surface. The powder coat is applied over hot dip galvanized steel at the galvanizing facility. Powder coating over hot dip galvanizing is a two step coating process.
The powdergalv process has revolutionized the powder coating industry. One of the most durable protective coatings for steel is provided by applying a polyester powder coating over hot dip galvanized steel to provide a high grade architectural finish to steel items. Duncan galvanizing revolutionized the metal powder coating industry by developing and patenting the colorgalv thermoset duplex coating process.
We had our work cut out for us when we set out to create a more durable finish for galvanized steel. Even though this standard is specific to powder coating of galvanized steel it contains the same cleaning and preparation techniques for the surfaces coated with liquid products as astm d6386 and sspc sp 16. Can powder coating be applied to galvanized steel.
Combining a galvanised substrate with the powder technique creates a duplex coating helping to maximise the lifespan of a building s structure. How to prepare galvanised steel for a powder coating. One of the most durable protective coatings for steel is provided by applying a polyester powder coating over hot dip galvanized steel to provide a high grade architectural finish to steel items.
Powder coatings are generally applied to metals including steel or iron making galvanised steel the perfect candidate. What are powder coatings. Hot dip galvanizing is coating of metallic zinc bonded with steel to form a source of corrosion protection for steel.
This powder coating on hot dip galvanizing process provides exceptional flexibility to designers through a wide color palette and long part life. A powder coat can be the second step in producing colorful galvanized steel. While the galvanized coating did a great job of deterring rust it also created a slick surface that did not play well with traditional paint products.
This combination provides exceptional resistance to the elements but galvanized products require surface preparation to ensure a quality and lasting coat. The first step in producing powder coated galvanized steel is galvanizing.