25.10.2023

What is Powder Coating?

Powder coating is a specialist in surface maintenance using fine powder paint. This powder typically consists of a mix of thermoplastic or thermoset blends such as epoxy, acrylic, polyurethane, or polyester. VHS Teknik powder coating is altered with an electrostatic charge, then heated to melt and cure. This results in a durable and homogeneous coating.

How is Powder Coating Done?

The powder coating process involves the following steps:

Surface Preparation: It's essential to clean and prepare surfaces before starting the powder coating process. This stage involves removing oil, dirt, rust, or other imperfections and preparing the necessary formations.

Electrostatic Application: Electrostatic application is a technology used to apply powder paint to cleaned and prepped surfaces. This method enhances the adhesion of powder paints to the surface, providing a more effective coating. Powder coating guns use an electrostatic charge to direct the paint material onto the surface, attracting paint particles, covering the surface evenly. This process is a common industrial application to achieve more efficient and homogeneous results.

Powder Coating Application: Electrostatically charged powder paint is applied homogeneously within a booth. The particles cover the surface, creating an even coating.

Baking Process: After the paint is applied, the piece is placed in a specialized oven. This oven is a critical step that melts and hardens the powder coating. The piece stays in the oven for an extended period at a temperature of around 150-200°C. During this time, the powder paint transitions from a solid to a liquid state and then cools to harden. This enhances the durability of the coating and ensures the surface meets desired quality standards.

Cooling and Final Inspection: The piece is allowed to cool after preparation and removal. Subsequently, final checks and quality control measures are carried out. Factors such as the quality of the paint, appearance, and visual aspects of the coating are examined.

In conclusion, the powder coating process implemented by VHS Teknik is a widely used coating method to provide surfaces with an aesthetic appearance and protection. This process includes steps such as surface cleaning, electrostatic application, melting with heat, and curing. Powder coating proves to be an ideal choice for many industries seeking durable and visually appealing coatings.