The cause of orange peel in the powder coating of aluminum profile
The reason for the occurrence
1. The coating film is too thick or uneven
2. Curing preheat heats up too slowly
3. The profile is too close to the spray gun
Countermeasures.
1. Reduce the thickness of the film and control it within the corresponding standards
2. Adjust the gun distance appropriately, the profile and the gun distance between 250mm and 300mm
3. Speed up the temperature at the end of the curing furnace