Vacuum evaporation is the process of evaporation or sublimation of the material to be coated in vacuum to make it deposit on the surface of the workpiece or substrate.
There are three layers of vacuum evaporation: primer layer (6-12um) + coating layer (1-2um) + finish layer (10um) pretreatment before assembly
Wipe the impurities and dust on the surface of the base material with a cloth to improve the spray yield. assembling
The base material is assembled on a special hanging device to be fixed on the assembly line, and the cover plating of appearance and function is realized according to the design requirements.
Spray primer because the base material is plastic parts, there will be air bubbles and organic gases left during injection molding. The surface of plastic is not flat enough, and the direct evaporation adsorption is poor and not smooth. Applying a layer of primer will improve the adhesion of the coating and the surface is smooth and flat with good effect.
Assemble the pendant in the vacuum vessel, heat it and realize evaporation plating
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