How To Powder Coating Aluminium
Powder coatings may be a little less smooth than some liquid coatings due to the fact that the material is almost 100 percent solids. Apply the powder.
The most significant step in the process is applying the electrostatically charged powder to the aluminium.
How to powder coating aluminium. So it s very important that the surface of every extrusion is properly pre treated. The heat of this oven melts the powder into a coating which melts uniformly over the surface of the aluminium. Heat and cure the aluminium.
And this bond is made possible as the aluminium will have been electrically grounded. The pre treatment process involves removing dust grease and any other foreign particles. The positive charge of the powder allows it to bond to the aluminium.
The next step is to heat the aluminium extrusion in a curing oven. Using an eastwood hotcoat powder coating gun to demonstrate how to properly clean and powder coat paint a machined aluminum part. How the powder coating process works.
In addition to powder coat. Without solvent the coating has to depend on the melt and flow phase of the cure cycle to achieve a smooth finish. The ultimate smoothness of a powder film is related to a number of other factors as well.
1 pre treat the aluminum surface. That way the technician can ensure good adhesion and the powder. Unlike liquid paint powder coating doesn t require a solvent.
Powder coating is the process of spraying electrostatically charged paint in powder form onto your extrusions.