The powder coating process was invented around 1945 by Daniel Gustin and received US Patent 2538562 in 1945.[Gustin, Daniel S; Wainio, Albert W (1945). "Electrostatic coating method and apparatus"]
This process puts a coating on an item electrostatically, which is then cured by heat.
The power coating process is:
- Environmetally friendly: no solvent and overspray can be reused
- Energy saving: low energy consuption
- Safe to process: no harmful solvent
- Very economical: low waste