Thermoforming
10 مشاهدة
Poor electroplating adhesion of high impact polystyrene ABS products
ظاهرة المشكلة
Poor coating adhesion after electroplating of ABS products, prone to blistering or peeling.
ABS is the most commonly used electroplating plastic.
تحليل الأسباب
(1) Unsuitable product surface roughness, affecting roughening effect
(2) Large product internal stress, affecting coating adhesion
(3) Improper processing temperature, uneven material structure
(4) Residual mold release agent affecting electroplating
(5) ABS grade not suitable for electroplating
الحل
(1) Select electroplating-grade ABS grades
(2) Optimize processing temperature within the 180-240°C range, reduce internal stress
(3) Do not use mold release agent or use easy-to-clean type
(4) Product surface annealing treatment (60-80°C, 2h)
(5) High impact polystyrene controls mold temperature at the higher value within the 40-80°C range
الخلاصة الأساسية
ABS electroplating quality is closely related to material grade and internal stress.
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