The coating grows from the base aluminum metal by this electrochemical process. Below are a handful of products that typically receive powder coating.
Make sure you hit it from all angles and sides and the piece is completely coated.
Powder coating aluminium sheet. Reduce the kv to about half 20 to apply a second coat to smooth over the finish if needed. The powder coating process involves the application of a dry paint powder which is charged electrically. Aluminum must be chemically treated prior to powder coating to get any kind of outdoor performance at all.
The final cured coating is the same as a 2 pack wet paint. So it s very important that the surface of every extrusion is properly pre treated. Look to a good chemical company to provide you with a fluoride bearing treatment and a reactive non chrome final rinse.
Cody carlsen dec 1 2020 11 44 00 am. How the powder coating process works. That way the technician can ensure good adhesion and the powder.
The sheet metal comes painted so i stripped the color off to raw metal with a grinder flap disc. Powder coating is the process of spraying electrostatically charged paint in powder form onto your extrusions. Then get clean rinse water and you re all set.
The coating may be colored by dyeing or may exhibit bronze tones through diffraction phenomena produced by the coating. Yesterday i tried to powder coat some thin aluminum sheet metal with poor results. The piece will get coated nicely with the powder in no time.
If you re looking to protect and visually enhance sheet metal parts surfaces you might consider sheet metal powder coating. I am very new to powder coating have been playing around with different types sizes of steel and aluminum to powder coat. Unlike liquid paint powder coating doesn t require a solvent.
1 pre treat the aluminum surface. With this technique the powder is attracted to the aluminium including a contribution of a combination of static electricity to ensure adhesion. Powder coating is the technique of applying dry paint to a part.
The coating is integral to the metal and can not peel. Powder coating is by far the youngest of the surface finishing techniques in common use today. Aluminum oxide is a hard durable weather resistant substance that protects the base metal.
Sheet metal powder coating. The aluminium sheet being coated is treated and prepared to ensure maximum lifespan of the coating. We can handle all your custom sheet metal and stainless steel fabrication requirements.
We operate amada computer numeric control cnc machines from japan and a fully automatic powder coating plant all run by a highly trained and skilled workforce. In normal wet painting such as house paints the solids are in suspension in a liquid carrier which must. The pre treatment process involves removing dust grease and any other foreign particles.