Spraying Hot spray

Several spraying methods can be used to apply adhesives, including conventional air spray, hydraulic cold airless spray, hot spray, and hot airless spray. The main types of spray equipment are summarized in Table 17.1. 

Adhesives types Brush application Cold spray Hot spray... 

There are several methods of spraying [9]. AU techniques can be manual or automatic. Three common types of spraying include air spray, airless spray, hot spray, and hot-melt spray. In the air spray technique, the adhesive is pumped under low pressure, generally 1 bar, to the gun. Pressurized air (from 3 to 7 bars) arrives also at the bottom of the gun. Inside the spray head, the pressurized air causes the atomization of the adhesives into small particles (less than 1 mm diameter), which are sprayed on to the substrate to be coated. 

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See also in sourсe #XX -- [ , , ]

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