DIY powder electrostatic spray gun friction

Small Powder Friction Electrostatic Spray Gun is specially designed for laboratory small electrostatic powder spraying tools. It is suitable for small - amount medicine spraying, trace powder spraying, powder multi - layer spraying experiments, material anti - corrosion tests on the metal surface, small - amount spraying color - change DIY coating, and other laboratory powder spraying requirements.    No power supply, no electrostatic spark, powder friction electrostatic spraying gun. Secondary coating backspray workpiece coating sticky powder rate is high, will not be electrostatic breakdown pinhole concave point, primary spraying groove, safe and efficient. Suitable for laboratory materials spraying test, home DIY hub auto parts color change electrostatic powder spraying best tool.