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Common Issues and Countermeasures in UV Vacuum Plating (Part 12)
In the practical production of UV vacuum plating, reduced adhesion under humid‑hot conditions is a common issue in applications—such as automotive components—that demand high durability. After exposure to high‑temperature, high‑humidity testing, the coating may exhibit blistering, delamination, or a marked decline in adhesion. While these defects may remain undetectable under normal environmental conditions, they become rapidly apparent in humid‑hot environments. To address this adhesion‑loss problem, a systematic approach is required, encompassing measures such as enhancing interfacial water resistance, increasing the crosslink density of the coating, improving the barrier performance of the topcoat, and providing adequate protection for the plated layer.
2026-06-11
Common Issues and Solutions in UV Vacuum Plating (Part 11)
In the practical production of UV vacuum plating, coating pinholes are one of the common defects that compromise the density and surface quality of the deposited film. These pinholes appear as tiny, circular voids on the coated surface, penetrating the entire coating layer and exposing the underlying primer or substrate. Not only do they disrupt the continuity of the metallic luster, but they also serve as pathways for the ingress of moisture and contaminants. To address this defect, a systematic approach is required, encompassing multiple aspects such as primer sealing, substrate preparation, curing control, and plating process optimization.
2026-06-11
Common Issues and Solutions in UV Vacuum Plating (Part 10)
In the practical production of UV vacuum plating, poor weather resistance is a critical issue that compromises the long-term performance of products. This deficiency manifests as yellowing, loss of gloss, chalking, or corrosion of the coating after a period of use, particularly in outdoor applications or products exposed to prolonged sunlight. Such defects are often not readily apparent at the time of shipment but gradually emerge during service. To address this problem, a systematic approach is required, encompassing improvements to the topcoat formulation, control of the curing process, protection of the plated layer, and design for environmental adaptability.
2026-06-11
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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