Runs

Cause

• Uneven paint application.
• Specified spray viscosity not observed. 
• Unsuitable reducers.
• Material or spray booth temperature too low. 
• Film thicknesses too high.
• Faulty spray gun (nozzle).
• Flash-off between coats too short.

Prevention

• Comply with instructions on object, paint and spray booth temperature.
• Check spraying equipment regularly.
• Mix and apply paint in accordance with the instructions on the Technical Data Sheets.

Remedy

• After the specified drying time, flat any runs. If necessary, use an infrared heater for further drying and then polish.
• If the runs have been sanded right through, respray.