The Powder Coating Process: A Durable, Long-Lasting Finish
Powder coating has become the gold standard for finishing metal products, offering superior durability, aesthetic appeal, and environmental benefits over traditional liquid paints. But what exactly is powder coating, and how does the process work? At Powder Coating Industries, we specialise in high-quality commercial-grade powder coating for everything from small automotive parts to large industrial structures up to 8.5 metres long. Here’s a step-by-step breakdown of the process.
Step 1: Surface Preparation
The first and most crucial step in powder coating is proper surface preparation. Any dirt, grease, rust, or old coatings must be removed to ensure the new coating adheres properly. This is achieved through methods such as:
- Chemical Cleaning – Removes oils and contaminants.
- Abrasive Blasting – Strips rust, old paint, and surface imperfections.
- Phosphate Treatment – Enhances adhesion and corrosion resistance.
Step 2: Powder Application
Once the surface is clean and prepped, the powder coating is applied using a specialised spray gun. The powder, made from finely ground particles of resin, pigment, and additives, is electrostatically charged as it is sprayed onto the grounded metal surface. This charge ensures an even, uniform coating, reducing waste and overspray.
Step 3: Curing in a High-Temperature Oven
After application, the coated metal is moved to a curing oven, where it is heated to 150–230°C for 10 to 30 minutes, depending on the specific powder formula. The heat causes the powder to melt and chemically bond, creating a tough, protective film that is:
✅ Scratch-resistant
✅ Chip-resistant
✅ UV and weather-resistant
✅ More durable than traditional paint
Step 4: Cooling and Quality Inspection
Once cured, the metal cools, and the coating hardens into a smooth, long-lasting finish. Our team conducts a thorough quality inspection, checking for uniformity, adhesion, and overall appearance before the final product is delivered.
Why Choose Powder Coating?
Powder coating is one of the most durable and cost-effective finishing options available. It provides a high-quality, long-lasting finish that outperforms traditional paint in both durability and environmental impact. Benefits include:
- Longer-lasting colour vibrancy – Resists fading, cracking, and peeling.
- Better impact resistance – Ideal for industrial and high-traffic applications.
- Eco-friendly – Contains no solvents or harmful VOCs, making it a cleaner alternative to wet paint.
Powder Coating for Any Job – Big or Small
At Powder Coating Industries, we handle everything from small parts to large-scale industrial projects, thanks to our large batch ovens capable of coating items up to 8.5 metres long. Whether you need a fresh look for automotive parts, gates, fencing, machinery, or large structural components, we’ve got you covered.
Fast turnaround
Competitive pricing
Top-tier durability
If you’re looking for a strong, lasting finish that stands the test of time, get in touch with us today!
Call us on 0240529022