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The traditional spraying machine uses compressed air to atomize the paint, and the spray speed of the paint is generally 10 m / s. Such a fast spray speed leads to overspray and severe rebound of the paint, and brings back a large amount of paint molecules. The paint is scattered, which not only wastes a lot of paint, but also causes serious pollution to the air, and the surface of the coating is prone to smashing. Since the recoil force during spraying is not easy to adhere to the corners and edges of the workpiece, it is necessary to spray more time, causing sag on the nearby surface.
It has the following advantages with manual roller coating:
First, extremely high coating efficiency. The spraying efficiency is up to 500-1200 square meters per hour, which is more than 10 times that of traditional drum construction.
Second, excellent surface quality. The spray coating is smooth, brilliance, dense, brushless, scalding, and granules.
Third, extend the service life of the coating. High-pressure airless spraying enables the coating particles to penetrate into the wall space, so that the paint film also forms a mechanical bond on the wall surface, enhancing the adhesion of the paint and prolonging the service life.
Fourth, it is easy to overcome corners, voids and uneven brushing parts.
Fifth, save paint. The thickness of the brush is extremely uneven, generally between 30 and 250 microns.