Material Drying
5 görüntüleme
PVC Color Masterbatch Handling
Sorun Belirtisi
PVC products with color masterbatch show bubbles and color difference
Neden Analizi
Masterbatch carrier absorbs moisture or poor compatibility with PVC, poor dispersion; during on-site troubleshooting, verify item by item according to this mechanism, avoid blindly adjusting the machine based solely on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
Çözüm
Choose PVC-dedicated masterbatch; masterbatch dried; dispersion effect verified; 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
Temel Çıkarım
PVC masterbatch needs dedicated type, drying plus dispersion verification; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems later
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