General information about powder coatings
Powder coatings are solid, solvent-free coatings that are cured in an oven after application, creating a closed coating layer. Through efficient recovery of powder, a utilisation rate of up to 98% can be achieved.
Powder coatings, like most surface treatments, primarily have 2 functions, one decorative and one functional.
- Low curing temperatures
- High hiding capacity
- Reclaimed powder
- Environmental friendly
- Mechanical stress
- Corrosion resistance
- Weather effects
- Chemical resistance
Composition & Production
Powder coatings are produced from the following raw materials:
- Binder ( resin, harderner, accelerator )
- Pigments and colourants
The raw materials in granulate and powder form are weighed and homogenised according to the recipe developed by the laboratory.
- Then the resulting mixture is melted and dispersed in an extruder at temperatures of 90-130°C.
- After leaving the extruder, the liquid dispersion is rolled flat and brought to room temperature again via a cooled conveyor belt.
- It is then ground into smaller chips and taken to a mill, where they are milled according to a specific grain size.
- After screening and quality control, they are filled into cardboard boxes, big bags or containers.
- Our process allows for short lead times for all batch sizes via specially matched production lines.
- This gives us a high degree of flexibility and at the same time we can guarantee the highest quality standards and short delivery times.
- Since all production orders are controlled by a production planning system (PPS), all departments involved are always aware of the current production progress.
Applications & Branches
Wherever coatings solutions are required, powder coatings offer an environmentally friendly and efficient solution. Our industry expertise lies in the areas of: