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Orange Peel Roughness

Coating Formulation

  • Film coating suspension viscosity too high Select a low viscosity film coating from Colorcon

Process/Equipment

  • Atomization air pressure too low Increase the atomization air pressure
  • Suspension solids concentration too high Decrease coating suspension solids concentration (if possible)
  • Spray rate too high Decrease spray rate
  • Poor spray gun performance Correct gun setup: gun design, gun spacing, gun-to-bed distance, fan width, suspension flow rate balance, or use a better spray gun

Further Resources