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Author: Anonym/Monday, January 1, 1900/Categories: Difetti di verniciatura
ORANGE PEEL
The painted surface presents poor flow and resembles orange peel.
Poor flow due to: - Poor spray gun technique (gun held too far from the surface, causing the paint to dry). - Unsuitable spray gun adjustment (air cap, air pressure, etc). - Too high spray viscosity. - Use of too fast or unsuitable thinners. - Too short flash off between coats. - Too high surface temperature and/or spray booth temperature. - Application of too thick or too thin coats.
After the paint is thoroughly hardened: - Rub out orange peel with very fine abrasive paper and polish. - In severe case flat thoroughly and re-spray.
- Always follow the data-sheet prescriptions and observe the suggested spray gun techniques. - Use the suggested thinners depending on the room conditions, check the spray viscosity and the air pressure. - Apply uniform coats and respect the flash off time between the coats. - Check the room conditions: temperature and ventilation.
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