Electrostatic Powder Coating of Metals
Electrostatic powder coating of metals is a modern metal processing technology that involves applying powder paint to metal surfaces using an electrostatic charge, followed by thermal processing to form a solid and protective layer. This method is becoming increasingly popular in the industry due to its numerous advantages compared to traditional painting and metal protection methods.
Material Preparation for Powder Coating:
Proper preparation of metal surfaces is crucial for a successful electrostatic powder coating process.
The surface must be thoroughly cleaned to ensure optimal powder adhesion and coating durability. The preparation process includes several steps:
Mechanical Cleaning – Removing impurities, rust, and old coatings by sandblasting or grinding.
Chemical Cleaning – Degreasing and removing oxides using specialized chemical agents.
Rinsing – Thorough rinsing to remove any chemical residues.
Drying – Complete drying of the surface before powder application to prevent bubble formation.
Application of Conversion Coating (optional) – Applying a layer that improves adhesion and corrosion resistance.
Materials Suitable for Electrostatic Powder Coating:
Electrostatic powder coating is most commonly applied to conductive materials, but with proper surface preparation, some non-conductive materials can also be processed. Suitable materials include:
Steel (stainless, structural, galvanized)
Aluminum
Copper
Brass
Galvanized metals
Metal alloys
Material Dimensions for Powder Coating at Marex Elektrostroj:
Marex Elektrostroj can powder coat metal objects with dimensions up to:
Length: 500 cm
Width: 160 cm
Height: 160 cm
Weight: up to 80 kg
These dimensions allow processing a wide range of metal products, from smaller components to large structural elements.
RAL Shades and Coating Textures:
Marex Elektrostroj offers powder coating in almost all RAL shades, enabling customization to meet clients' aesthetic demands and corporate standards. Along with a wide selection of colors, various coating textures are available:
Matte – Subtle and elegant appearance with minimal reflection.
Glossy – High gloss that provides a luxurious look.
Textured – A surface with texture adding visual and tactile effects.
Metallic – Shiny coating with a metallic effect for a sophisticated appearance.
Advantages of Electrostatic Powder Coating:
Durability and Longevity – Powder-coated metal products have exceptional resistance to corrosion, chemicals, and scratches, extending their service life.
Environmental Friendliness – This technology does not use solvents or contain harmful chemicals, minimizing its environmental impact.
Aesthetics – Electrostatic powder coating provides a uniform, smooth, and visually appealing finish without drips or bubbles.
Color and Texture Variety – A wide range of colors, finishes, and textures offers great design flexibility.
Cost-Effectiveness – High material utilization and reduced waste make this process more economical for long-term production.
Marex Elektrostroj – Experts in Metal Powder Coating
Marex Elektrostroj specializes in electrostatic powder coating of metals, providing top-quality protection and an aesthetic finish for various metal products. Thanks to modern equipment and a professional team, Marex Elektrostroj offers high-quality services that meet the highest durability and design standards. Their commitment to quality and innovation makes them a reliable partner for all types of metal powder coating.
Whether you need protection for industrial components or an aesthetic finish for decorative products, Marex Elektrostroj is the right solution for you.
