When choosing an automatic spray gun, it is necessary t […]
When choosing an automatic spray gun, it is necessary to consider that the primer will mainly fill the gaps in the coating and increase the thickness of the coating. Therefore, the primer has a large particle size, a large viscosity, and a large specific gravity. It emphasizes that the amount of paint is large. Therefore, the spray gun for spraying the primer should be a large-diameter nozzle, and the bottom paint tank should be larger. The spraying topcoat requires high level of atomization, and the spray gun with small caliber and good atomization is often used. The nozzles of commonly used spray guns have different calibers, including 0 · 6mm, 0 · 8mm, 1.0mm, 1.2mm, 1.3mm, 1.5mm, 1.6mm, 1.8mm, 2.0mm, 2. , 2 · 5mm and other models, can be selected according to the sprayed paint and the size of the sprayed objects. For example: caliber 2 · 0-2 · 5mm, commonly used for spraying primers with large particle size and large viscosity or large Area spraying; caliber of 1 · -1 · 8mm, mainly used for spraying topcoat; caliber of 0 · 6-1 · 3mm, mainly used for spraying small parts or crafts.
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