Quality attention points for plating on plastics
In the “Plating on Plastics” process the bonding of the metal to polymer takes place at a molecular level, the quality and surface finish of the plastic moulding is extremely important as it will be reflected in the final product. Unwanted features such as “sink”, “flow lines” and “weld lines” become magnified by the high gloss surface of the plating. Defects in the polymer surface, such as “silvering” due to insufficient drying of ABS and PC/ABS, “cold slug”, “high stress” and excessive pigment, can cause the plating to blister, as the conductive nickel coating will not bond in these areas.
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