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Common Issues and Solutions in UV Vacuum Plating (Part 9)
In the practical production of UV vacuum plating, substrate exposure is one of the common defects that compromise both the product’s appearance and its protective performance. Substrate exposure manifests as a loss of the coating layer at the edges and sharp corners of the workpiece, revealing the underlying primer or the bare substrate and creating a stark contrast with the coated areas. To address this defect, a systematic approach is required, encompassing aspects such as shadow‑masking control during vacuum deposition, fixture design, spray‑coating processes, and surface‑treatment techniques, in order to effectively eliminate coating deficiencies and ensure a flawless finished appearance.
2026-06-09
Common Issues and Solutions in UV Vacuum Plating (Part 8)
In the practical production of UV vacuum plating, edge whitening is one of the common defects that compromise the consistency of product appearance. It manifests as a lighter, whitish or dull discoloration of the coating at the edges and sharp corners of the workpiece, creating a stark contrast with the metallic luster of the central area. To address this defect, a systematic approach is required, addressing factors such as shadowing effects in vacuum deposition, fixture design, optimization of workpiece geometry, and the condition of the primer layer, in order to effectively enhance the coating quality at the edges.
2026-06-09
Common Issues and Solutions in UV Vacuum Plating (Part 7)
In the practical production of UV vacuum plating, coloration of the coating is one of the common defects that adversely affects product appearance. Coating coloration refers to the appearance of iridescent spots on the surface of the metallic film, causing reflected light to exhibit colors rather than a pure silvery white and thereby compromising the uniformity and purity of the metallic finish. To address this defect, systematic measures must be implemented across multiple aspects—such as coating uniformity, the condition of the primer surface, and process parameter control—in order to effectively eliminate colored streaks and achieve a pristine, silvery‑white metallic luster.
2026-06-09
Video Account
Bossin cordially invites you to visit the 2025 China International Coatings Exhibition.
UV monomer with a curing speed more than 30% faster than that of trifunctional monomers
Low-irritation version of HDDA
A high-refractive-index UV monomer
Although it’s quite ordinary, it offers great value for the price.
A UV monomer used in fields such as PCB ink, UV curing agents, and offset printing ink.
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