Spray finishing provides an evenness of finish that isn&#;t achievable with other coating application equipment. Spray finishing also allows coatings to be applied in volume and at speed. Broadly speaking, there are two technologies used in spray finishing &#; air spray and airless spray.
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Air spray uses a pressure source to create a flow of paint, and atomizes it using aa jet of compressed air (break the stream of coating into fine droplets). Air spray provides a premium finish at lower pressures then airless.
Airless spray uses a piston pump (either electric or pneumatic) to transport and atomize the coating (can be either electric , pneumatic or gas powered). Airless spray provides higher volume and pressure (necessary to atomize heavy industrial coatings).
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Further variants are available for both these types of spray technology -for air spray, high volume low pressure (HVLP) and compliant (these technologies reduce the amount of coating that disappears in over-spray); for airless spray, air-assisted air (supplies a small amount of air to the front of the gun to further atomize the coating for an improved finish) and electrostatic (applies an electric charge to the coating and the object being painted for reduced over-spray and better wrap around tube and rod type sections).
With paint sprayers, it's important to purchase one that's best suited for the job and the type of paint you'll use. There are three primary types of paint sprayers:
You'll also choose between a gas and electric paint sprayer.
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