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Spray Painting

Spray Painting

Compressed nitrogen is set to bring about a major advance in the professional spray-painting industry. Its properties as a colourless, odourless, tasteless and invisible gas offer distinct advantages over traditional spray-painting delivery mechanisms. "The key factor with compressed nitrogen is that it is inert, absolutely clean and devoid of moisture and contaminants."

Compressed nitrogen allows for spray-painting at a lower pressure, reducing paint consumption, over-spraying and paint blemishes and, potentially, reducing costs and increasing productivity.

“Compressed air has been the transport medium for spray-painting since the inception of the technique. However, air has some disadvantages in that it often contains particulate matter, traces of oil and, most importantly, moisture. These three factors affect the quality of the paint finish and result in commonly occurring blemishes such as 'fish eyes' and pinholes”.

Nitrogen has been increasingly used in the field of spray painting of body parts of Aircraft, F1 cars, fleet trucks, cars, and bus, etc. and nowadays it is more preferred the reasons over the use of compressed air due to following benefits.

Benefits of Nitrogen Generators for Spray Paint
  • Reduction of process time with wet on wet applications (fewer trips around the object)
  • Fewer solvents (reduced flash time, possible shorter Bake Cycles)
  • Paint is better distended on the target, resulting in better Distinction Of Image (DOI) and higher quality
  • Less contamination = less sanding and buffing
  • Improves quality of finish
  • Reduces application time between first and second coats 25–50%
  • Increases transfer efficiency
  • Eliminates need of longer dry time for waterborne paints
  • Reduces material usage 15–25%
  • Reduces overspray and VOCs
  • Reduces sanding and buffing time
  • Eliminates variable in density of air
  • Allows metallics and solids to lay down flatter
  • Increases distinction of image in reflection
  • Increases profits

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