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.