The process is relatively straightforward but depending on the piece of metal you re working with it can take some time before it is truly ready to receive its powder coating. Here s an overview of what you should know about preparing metal for powder coating in washington.
You ll need to clean all the way down to the base metal which means removing any oils dirt and paint.
Powder coating aluminum prep. This leaves a great profile in a steel or iron part to be powder coated. Without solvent the coating has to depend on the melt and flow phase of the cure cycle to achieve a smooth finish. Powder coating prep work.
I made it at the techshop well. We also use a blast system for the heavy steel parts. Media blasting is usually done after outgassing which removes most contaminants and oxides.
The ultimate smoothness of a powder film is related to a number of other factors as well. We use a five stage washer with a cleaner rinse phosphate rinse and rinse seal. This is done using a gun or compressed air sprayer which electrostatically charges the powder material so that it sticks to the grounded base metal object receiving the coating.
The steel product is working out fine as long as we have good coverage and the correct film build. It also preps the surface of the aluminum for better powder coat adhesion. November 20 2015 by.
Without any media blasting a freshly machined aluminum surface would be very smooth and the powder coating would likely chip very easily without any prep. The first and most important step of the process is cleaning. Powder coating cannot be performed without having access to the proper equipment but if yo.
As he was installing the parts onto his car the. Apply the powder to the object to be powder coated. We apply powder coatings to hrs steel and extruded aluminum parts that are used outdoors.
Jamesr much like painting and welding preparing metal for powder coating is multi step process that must be followed in order to have the best results. A chemical etch will create a profile for your powder to adhere to and is especially important for powder coating metal like aluminum. I powder coated it there.
The bumper canards keith purchased from an aftermarket parts company coated them satin black. How to powder coat aluminum wheels techshop. Sandblasting can also be used to create a profile for your powder coating to adhere to.
Powder coatings may be a little less smooth than some liquid coatings due to the fact that the material is almost 100 percent solids. If any of these steps are missed or not done properly your end product will risk having flaws. It is pricier but it lasts much longer.
How to prep metal for powder coating posted. This is a very aggressive media that easily removes rust paint and is more efficient at removing powder coat than the coal slag. Common conversion coatings include iron phosphate and zinc phosphate.
How to prep parts for powder coating correctly this weekend our good customer keith dropped off a few items he needed powder coating correctly applied for his 2014 subaru impreza show car. This is a how to guide including step by step directions on how to powder coat aluminum wheels. There is also much less dust produced with aluminum oxide than with coal slag.
Conversion coatings involving etching a surface and applying a chemical coating that adds further protection as well as a coating for the powder coating to adhere to. These guns are available from various suppliers and cost as little as 100.