Electrostatic painting is a technique that provides a fine sprayed finish to metal surfaces with a minimum of over spray and material waste.
Electrostatic is safe and environmentally friendly. Up to 98% of the paint is transferred to the surface, which means we use less paint, less solvents, and very little overspray compared to conventional and airless spray applications
This process is cleaner and faster than the usual way of on-site painting metal objects. Electrostatic painting can add more life and value to your wrought-iron pool or security fences, metal lockers, and security doors.
How Electrostatic Painting Works
A high voltage charge allows a small stream of paint to be spun into a fine mist by the rotating disc at the end of this unusual spray gun.
The metal object to be painted is grounded and as the applicator completes the circuit by activating the gun, the static field transfers the paint to the object being painted. Without the electrical charge the paint would be flung all around.
The paint wrapping characteristics of this process often allow objects to be painted from one side with just one pass.
On a typical pool fence ordinary spray applications require four or more passes from different angles and directions. With our method one pass covers 70% to 90% with the balance covered with a final pass. Varying designs and sizes require adjusting the application technique. But, this example shows the advantage of our electrostatic spraying system.
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Electrostatic Painting FAQ
The first two use high hydraulic or air pressure to break up and atomize the paint.
The Ransburg uses a low pressure stream of paint dispensed into a rotating disc. The static charge that all the systems use turns the Ransburg’s paint into a fine mist.
They all benefit from a high voltage/low amperage electrical circuit, that includes the paint stream, collecting overspray and wrapping the paint around the object to be painted.
The Ransburg’s low pressure design allows for much greater overspray control and the ability to work in finished areas.
The answers below are based on the Ransburg machine and may not apply to the others.
As both of the above products “dry” by chemical reaction and not evaporation the over spray will stay wet longer and greater care is required in protecting the surroundings from overspray.