Electrostatic Powder Coating is a finishing process used to apply a protective and decorative layer to metal (and sometimes non-metal) surfaces. It uses electrically charged powder particles and a curing process to create a hard, smooth, and durable finish.
An electrostatic powder coating gun is the heart of the powder coating process. It’s responsible for charging the powder particles and directing them toward the grounded workpiece.
An electrostatic powder coating gun is a specialized tool used to apply dry powder paint to a surface using an electrostatic charge. The process begins when compressed air feeds powder from a hopper into the gun. As the powder flows through the gun, it passes a high-voltage electrode—usually located near the tip of the gun—that generates a strong electrostatic field. This is typically done using a high-voltage power supply that converts low-voltage electricity into a high-voltage, low-current output (often between 30,000 and 100,000 volts). The electrode creates a corona discharge, which ionizes the surrounding air and gives the powder particles a negative electric charge. These charged particles are then attracted to the object being coated, which is electrically grounded. The difference in charge causes the powder to stick to the surface, wrapping around complex shapes and edges due to the electric field lines. Once the object is evenly coated, it is placed into a curing oven, where the powder melts, flows, and chemically reacts to form a smooth, hard, and durable finish.
Inside the gun, electronic circuits regulate the voltage output, monitor current levels for safety, and sometimes allow user control over parameters like spray intensity or coating thickness. The core electronic components typically include a high-voltage transformer, a rectifier, and control circuitry—often managed by a microcontroller or analog feedback system. This ensures that the voltage remains stable even as the load changes. Additionally, safety features are built into the system to prevent arcing, control excessive current, and shut down the power when the gun is not in use or if a fault is detected. Overall, the powder coating gun combines pneumatic and electronic systems to deliver an efficient, even, and environmentally friendly coating process.
| Part Number | Material Datasheet [PDF ] | |
|---|---|---|
 | TUB1.4 | 4B1 3C90 3B1 |
| TUB1.6 | 4B1 3C90 3B1 |
| TUB10 | 4B1 3C90 3B1 |
| TUB11 | 4B1 3C90 3B1 |
| TUB12 | 4B1 3C90 3B1 |
| TUB14 | 4B1 3C90 3B1 |
| TUB15 | 4B1 3C90 3B1 |
| TUB17 | 4B1 3C90 3B1 |
| TUB18 | 4B1 3C90 3B1 |
| TUB2 | 4B1 3C90 3B1 |
| TUB2.6 | 4B1 3C90 3B1 |
| TUB2.8 | 4B1 3C90 3B1 |
| TUB20 | 4B1 3C90 3B1 |
| TUB22 | 4B1 3C90 3B1 |
| TUB3.1 | 4B1 3C90 3B1 |
| TUB3.5 | 4B1 3C90 3B1 |
| TUB3.7 | 4B1 3C90 3B1 |
| TUB3.9 | 4B1 3C90 3B1 |
| TUB3 | 4B1 3C90 3B1 |
| TUB30 | 4B1 3C90 3B1 |
| TUB4.1 | 4B1 3C90 3B1 |
| TUB4.2 | 4B1 3C90 3B1 |
| TUB4.3 | 4B1 3C90 3B1 |
| TUB4.9 | 4B1 3C90 3B1 |
| TUB4 | 4B1 3C90 3B1 |
| TUB5.3 | 4B1 3C90 3B1 |
| TUB5 | 4B1 3C90 3B1 |
| TUB6 | 4B1 3C90 3B1 |
| TUB7 | 4B1 3C90 3B1 |
| TUB8 | 4B1 3C90 3B1 |
| TUB9 | 4B1 3C90 3B1 |
| TUBCH | 4B1 3C90 3B1 |
| TUBR | 4B1 3C90 3B1 |
