Causes and solutions of paint defects
Common defects in paint application include fogging, sand marks, chalking, and discoloration. Atomization is caused by low-temperature spraying and can be avoided by adjusting the temperature; Sand marks are caused by improper sanding or the use of rough abrasives, and the surface needs to be prepared correctly and then repainted; Chalking is caused by weather erosion, the powder should be removed and primed; Discoloration is caused by sunlight or pollution, and it is necessary to remove the defect and repaint.
| The name of the defect | cause | Resolution |
| Fogging | The temperature is too low when spraying | Ensure that the temperature of the work area is suitable and avoid construction in low temperature conditions. |
| Sand Scratches | Rough abrasives were used or sanded incorrectly | Prepare the surface correctly according to the manufacturer's recommendations, sand with a guide coating, and then recoat. |
| Chalking | Weather erosion causes paint to wear out | Use a stiff bristle brush to remove the powder and apply a layer of primer. |
| Discoloration | Sunlight, air pollution, or humidity cause color changes | Repaint after removing defects. |
How to avoid paint defects
In order to avoid paint defects, it is first necessary to choose the right paint according to the construction environment and material characteristics. Second, make sure that the surface is clean and free of impurities, and that the surface is properly prepared according to the manufacturer's recommendations. In the painting process, the technical data sheet (TDS) is strictly followed, and the drying time and tools are reasonably calculated. Finally, regular inspection of the coating status and timely maintenance can effectively extend the life of the coating and avoid problems.
| Ways to avoid it | description |
| Choose the right paint | Choose the right paint based on the type of surface and environmental conditions, taking into account weather resistance and color durability. |
| Prepare the surface | Clean and ensure the surface is free of dirt and impurities to enhance adhesion and prevent shedding. |
| The right way to paint | Follow the manufacturer's Technical Data Sheet (TDS), calculate the drying time correctly, and apply with the appropriate tools and environment. |
| Regular inspection and maintenance | All paint projects are regularly monitored, tested, and maintained to ensure long-term coating performance. |
