Electrostatic Spray Painting

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Electrostatic Spray Painting

Electrostatic spray painting creates a strong bond, by using negative and positive charges to attract. It saves paint by using less paint since it has a higher transfer efficiency.


Electrostatic spray painting is very advantageous because even though there are a few disadvantages they get overweighed by all the advantages! Some advantages include the professional looking finish and cost effectiveness because of the smaller amount of paint cans that are used. In the process, most, if not all, the paint is used up because of the increased transfer efficiency. Another pro includes how using this method is eco-friendly since it doesn’t use any solvents that can evaporate, and cause air pollution, or run-off into water bodies, and contaminate water. However, as I said earlier, there are still a few disadvantages. Some disadvantages include how the electrostatic coating equipment in expensive to buy/install and it can produce unpleasant odors.

Electrostatic spray painting is very useful compared to regular spray painting because the regular procedure leaves a big mess, wastes a lot of paint and contributes to lots of pollution. One very important as to why this method of spray painting is very efficient is because when the paint is negatively charged all of the different paint particles/atoms have the same charge, and so they repel each other. As the result, they all spread out evenly for a nice spray painted object.

Spray painting was invented by Harper Ransburg and was first used on "Ransburg products". In 1948, the Ransburg Electro-Coating Corporation was created to commercially sell the electrostatic technology. It is now used for painting in many industrial products, such as the automotive industry, manufacturing industries and even public utilities.

The object being painted is positively charged by mixing formulated paint with a chemical substance. The spray gun can become negatively charged, if it were a conductor, through grounding with an attached conducting wire.

The paint droplets spread out more as they leave the gun and equally stick onto the object with a positive charge.



Very Efficient


The Invention



Pros & Cons


Electrostatic Painting Process. (2015). Retrieved December 16, 2015, from http:// www.ransburgcollection.com/Default.aspx? tabid=66 Linstead, G. (2011). Pearson science 9. Port Melbourne, Vic.: Pearson Australia. Uses of Electrostatics. (2014). Retrieved December 16, 2015, from http://www.bbc.co.uk/schools/ gcsebitesize/science/add_gateway_pre_2011/ radiation/electrostaticsusesrev1.shtml W., A., & Jones, A. (2015, November 25). What is Electrostatic Painting? Retrieved December 16, 2015, from http://www.wisegeek.com/what-is- electrostatic-painting.htm What is Electrostatic Spraying? (2012, August 24). Retrieved December 16, 2015, from https:// www.youtube.com/watch?v=LAEGkaqKZhQ

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