Discussion on Surface Treatment Process of Zinc Alloy Die Castings

　　Sandblasting is a process that uses compressed air as the power to form a high-speed spray beam to spray materials onto the surface of zinc alloy die-casting parts to be treated at high speed, causing changes in the appearance or shape of the outer surface of the zinc alloy die-casting parts, and obtaining a certain degree of cleanliness and different roughness. Its characteristics are:

　　1. Realize different reflections or matte effects.

　　2. It can clean small burrs on the surface of zinc alloy die-casting parts, make the surface of zinc alloy die-casting parts smoother, eliminate the harm of burrs, and improve the grade of zinc alloy die-casting parts.

　　3. Clearing the residual dirt left during pre-treatment and improving the smoothness of zinc alloy die castings can expose a uniform and consistent metallic color, making the appearance of zinc alloy die castings more beautiful and attractive.

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