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Powder coated bicycle frames and parts. The powder coating process was invented around 1945 by Daniel Gustin and received US Patent 2538562 in 1945. [4] This process coats an object electrostatically and then cures it with heat, creating a finish harder and tougher than conventional paint.
Abradable Powder Coatings safely reduce operating clearances and friction to improve the efficiency of compressors, pumps, engines, blowers, etc. A Tier 1 automotive supplier reports increased volumetric efficiencies and enhanced sealing on supercharger rotor sets through the use of a patented abradable powder coating. [4] [5] [6] [7]
Powder coating on glass requires specialized equipment. The biggest challenge is getting the powder to adhere to the glass surface since there is no natural electrostatic attraction like there is with different metals. A clean glass subsurface that will not interfere with the process is essential before beginning the powder coating procedure. [2]
At typical coating application temperatures, usually in the range of 180 to 250 °C (356 to 482 °F), the contents of the powder melt and transform to a liquid form. The liquid FBE film wets and flows onto the steel surface on which it is applied, and soon becomes a solid coating by chemical cross-linking, assisted by heat.
The body works as a cathode and the paint as an anode sticking on the body surface. It is an eco-friendly painting process. In E-Coat, also called CED paint, use is approximately 99.9% and provides superior salt spray resistance compared to other painting processes. [4] Paint sanded down to the metal:
Integrated into a powder paint booth is a powder recovery unit, which recovers between 95% and 100% of the paint over-spray coatings. After the workpiece is coated, it continues on the conveyor belt to an oven, where the paint is cured. The benefits to the process of electrostatic coating are the ability to recover the little over-spray and ...
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