Thermoforming
10 görüntüleme
Poor electroplating/spraying adhesion of high impact polystyrene products
Sorun Belirtisi
Poor coating adhesion after electroplating or spraying of products, prone to blistering or peeling.
Neden Analizi
(1) Insufficient product surface tension, coating difficult to adhere
(2) Mold release agent or oil residue on the product surface
(3) Large product internal stress, affecting coating adhesion
(4) Insufficient pretreatment before electroplating/spraying
(5) Coating material does not match the substrate
Çözüm
(1) Perform corona or flame treatment on the product surface
(2) Ensure the product surface is clean and free of mold release agent
(3) Reduce product internal stress (annealing treatment)
(4) Strengthen pretreatment (degreasing, roughening, etc.)
(5) Select matching coating materials
Temel Çıkarım
Electroplating and spraying adhesion is determined by surface energy and surface condition.
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