Our Process
![Shutterstock 682261954](https://optimo.group/uploads/services/Powder-Coating/_640x480_crop_center-center_none/shutterstock_682261954.jpg 640w, https://optimo.group/uploads/services/Powder-Coating/_768x576_crop_center-center_none/shutterstock_682261954.jpg 768w, https://optimo.group/uploads/services/Powder-Coating/_1024x768_crop_center-center_none/shutterstock_682261954.jpg 1024w, https://optimo.group/uploads/services/Powder-Coating/_1366x1025_crop_center-center_none/shutterstock_682261954.jpg 1366w, https://optimo.group/uploads/services/Powder-Coating/_1600x1200_crop_center-center_none/shutterstock_682261954.jpg 1600w, https://optimo.group/uploads/services/Powder-Coating/_1920x1440_crop_center-center_none/shutterstock_682261954.jpg 1920w, https://optimo.group/uploads/services/Powder-Coating/_2048x1536_crop_center-center_none/shutterstock_682261954.jpg 2048w)
1. Surface preparation
If required, we prepare the metal surface by sandblasting, sanding or both.
![IMG 4540](https://optimo.group/uploads/services/Powder-Coating/_640x480_crop_center-center_none/IMG_4540.jpg 640w, https://optimo.group/uploads/services/Powder-Coating/_768x576_crop_center-center_none/IMG_4540.jpg 768w, https://optimo.group/uploads/services/Powder-Coating/_1024x768_crop_center-center_none/IMG_4540.jpg 1024w, https://optimo.group/uploads/services/Powder-Coating/_1366x1025_crop_center-center_none/IMG_4540.jpg 1366w, https://optimo.group/uploads/services/Powder-Coating/_1600x1200_crop_center-center_none/IMG_4540.jpg 1600w, https://optimo.group/uploads/services/Powder-Coating/_1920x1440_crop_center-center_none/IMG_4540.jpg 1920w, https://optimo.group/uploads/services/Powder-Coating/_2048x1536_crop_center-center_none/IMG_4540.jpg 2048w)
2. Acid bath
Aluminium products are dipped in an acid based immersion cleaner and chromate conversion coating to remove impurities and improve adhesion.
![Shutterstock 1469475149](https://optimo.group/uploads/services/Powder-Coating/_640x480_crop_center-center_none/shutterstock_1469475149.jpg 640w, https://optimo.group/uploads/services/Powder-Coating/_768x576_crop_center-center_none/shutterstock_1469475149.jpg 768w, https://optimo.group/uploads/services/Powder-Coating/_1024x768_crop_center-center_none/shutterstock_1469475149.jpg 1024w, https://optimo.group/uploads/services/Powder-Coating/_1366x1025_crop_center-center_none/shutterstock_1469475149.jpg 1366w, https://optimo.group/uploads/services/Powder-Coating/_1600x1200_crop_center-center_none/shutterstock_1469475149.jpg 1600w, https://optimo.group/uploads/services/Powder-Coating/_1920x1440_crop_center-center_none/shutterstock_1469475149.jpg 1920w, https://optimo.group/uploads/services/Powder-Coating/_2048x1536_crop_center-center_none/shutterstock_1469475149.jpg 2048w)
3. Powder coating
The product is then electrostatically coated in colour powder.
![IMG 4542](https://optimo.group/uploads/services/Powder-Coating/_640x480_crop_center-center_none/IMG_4542.jpg 640w, https://optimo.group/uploads/services/Powder-Coating/_768x576_crop_center-center_none/IMG_4542.jpg 768w, https://optimo.group/uploads/services/Powder-Coating/_1024x768_crop_center-center_none/IMG_4542.jpg 1024w, https://optimo.group/uploads/services/Powder-Coating/_1366x1025_crop_center-center_none/IMG_4542.jpg 1366w, https://optimo.group/uploads/services/Powder-Coating/_1600x1200_crop_center-center_none/IMG_4542.jpg 1600w, https://optimo.group/uploads/services/Powder-Coating/_1920x1440_crop_center-center_none/IMG_4542.jpg 1920w, https://optimo.group/uploads/services/Powder-Coating/_2048x1536_crop_center-center_none/IMG_4542.jpg 2048w)
4. Curing
The colour powder is then cured onto the product by firing in our large powder coating oven at approx. 200°c.