Material Drying
6 مشاهدة
HDPE color masterbatch drying
ظاهرة المشكلة
Bubbles appear in HDPE products with added color masterbatch
تحليل الأسباب
The color masterbatch carrier absorbs moisture and brings in water; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
الحل
Dry the color masterbatch and base material under the same conditions; select PE-specific color masterbatch; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record parameter changes, to facilitate locating effective measures
الخلاصة الأساسية
Synchronous drying of the color masterbatch prevents bubbles; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar future problems
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