Fumed alumina has the property of narrow particle size distribution, regular crystal form and good fluidity.
It is widely used in powder coatings:
- to improve the free flow performance;
- to improve the powder chargeability and one-time powder loading rate,
- increase the spraying area;
- improve the workpiece Excellent corner coverage effect;
- improves the storage stability of powder coating.
A very small amount of addition (0.1% ~ 0.3%) has a significant effect.