Defect – Drying not proper
Causes
- Application in unsuitable weather (frosty, cold, humid etc.)
- Improper ventilation Applied over oily, greasy, or unhardened surfaces
- Using long stored paints in which there are chances that the driers are absorbed by pigments making them non functional.
Prevention
- Always apply in a dry, warm climate with sufficient air circulation
- Ensure proper cleaning of the surface free from oil grease
- Add slight excess of cobalt and lead drier