What is the coating amount of electrostatic powder spraying?
What is the coating amount of electrostatic powder spraying?
The coating amount of electrostatic powder spraying, or powder coating, depends on several factors such as the type of powder, equipment, substrate material, and application method. However, a general rule of thumb is that the typical powder coating thickness ranges between **50 to 150 microns** (or **0.05 to 0.15 mm**) per coat.
To calculate the coating amount more precisely, the following factors are considered:
1. **Transfer Efficiency**: This refers to the percentage of powder that adheres to the surface during spraying. Transfer efficiency typically ranges from 60% to 90%, depending on equipment and part geometry.
2. **Powder Coverage**: Powder coating material typically covers around **8-10 square meters per kilogram** of powder at a thickness of 100 microns. This varies with the specific gravity and particle size of the powder.
3. **Film Thickness**: Desired thickness depends on the requirements of the application. For industrial purposes, **60-80 microns** is common, but thicker coatings up to 150 microns might be used for extra durability.
Would you like to know more about the equipment or method for calculating the precise amount needed for a specific application?
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