Injection Molding
4 görüntüleme
Uneven color of EEA mixed with color masterbatch
Sorun Belirtisi
EEA/color masterbatch injection molded products show color streaks and areas of uneven color depth
Neden Analizi
Color masterbatch carrier resin incompatible with EEA; poor color masterbatch dispersion, pigment agglomeration; unstable melt flow during injection causing pigment orientation
Çözüm
1) Select color masterbatch with EEA or similar carrier to ensure compatibility; 2) Twin-screw extrusion pelletizing for pre-dispersion; 3) Appropriately extend mixing time to ensure pigment dispersion; 4) Reduce injection speed to reduce pigment orientation
Temel Çıkarım
Color masterbatch carrier matching and full dispersion are the key to color uniformity
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