Electrostatic Paint

Published: | Updated: December 1, 2017

Definition - What does Electrostatic Paint mean?

An electrostatic paint is a type of spray coating that is used to efficiently coat a metal substrate by inducing an electrical charge to the paint particles that make up the spray, causing the paint to adhere to the metal's oppositely charged surface.

A spray gun uses compressed air to atomize the electrostatic paint into a fine spray of tiny droplets and force the paint through the spray gun's head (tip). The droplets are given a positive charge. The positively charged droplets are attracted to the metal substrate, which is negatively charged during the operation.

As with other paints, electrostatic paints are used for corrosion prevention.

Corrosionpedia explains Electrostatic Paint

The electrostatic technique of applying paint to a metal surface involves the law of attraction between positively and negatively charged particles. The electrostatic paint is applied to a metal substrate in the form of powdered particles, then further protected and solidified with the application of high intensity electrostatic charges.

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