Spray voltage1.1 Within a certain range, the spray voltage increases and the amount of powder adhesion increases, but when the voltage exceeds 90KV, the amount of powder adhesion decreases with the increase of voltage.1.2 When the voltage increases, the initial growth rate of the powder layer increa

1. What is Powder Coating? Powder coating is a type of dry coating, which is applied as a free-flowing, dry powder. The main difference between a conventional liquid paint and a powder coating is that the powder coating does not require a solvent to keep the binder and filler parts in a liquid suspension form.