Powder Coating and Galvanizing are two popular metal finishing techniques used to protect and enhance the appearance of metal objects. They each serve different purposes, but both are widely used to increase the durability, corrosion resistance, and aesthetic appeal of metal surfaces.
Powder coating is a dry finishing process that applies a protective and decorative coating to metals (and sometimes other materials). Unlike traditional liquid paint, powder coating uses a powdered form of paint that is electrostatically charged and then applied to the surface of the object. It is then heated in an oven to cure the powder and form a hard, durable finish.
Application of Powder: The powder coating material, which is made up of finely ground particles of pigment and resin, is applied using a spray gun that charges the powder particles. The charged particles adhere to the surface of the metal.
Curing: After application, the coated object is baked in an oven at a high temperature (usually 180-200°C) for 10-20 minutes to melt the powder, which then cures to form a smooth, solid finish.
Cooling & Inspection: The coated item is allowed to cool and is then inspected for quality, durability, and uniformity.
Durability: It provides a tough, scratch-resistant, and impact-resistant finish.
Cost-Effective: It can be more economical than liquid paint, especially for large runs of similar items.