Material Drying
5 görüntüleme
PA6 Color Powder Dispersion
Sorun Belirtisi
After producing natural-colored material with added color powder, the products show color streaks and color difference, and the color drifts between batches
Neden Analizi
Color powder disperses unevenly in the low-viscosity PA6 melt, forming color streaks; batch fluctuations in drying and melt temperature change the base hue, and superimposed dispersion problems amplify the color difference
Çözüm
①Switch to color masterbatch instead of color powder to improve dispersion; ②lock the drying and melt temperature parameters; ③match colors on the first article and establish a color difference acceptance standard; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Temel Çıkarım
PA6 coloring prioritizes the color masterbatch route; parameter locking and the first article color matching system control color difference within the acceptance band; after confirming effectiveness, fix the parameters and practices into the work instructions to prevent recurrence
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