Uneven surface structure

Application equipment

• inappropriate application method (unevenly)
• voltage fluctuations
• worn parts on the application equipment

Application equipment setup

• applied coating is too thin

Paint (powder coating)

• defective powder coating batch
• wet powder coating
• mixing different types of coatings with the same shade
• the powder is too fine:
  • the recycled material content is too high
  • too fine from production

Curing oven

• temperature rise while curing too slow