Injection Molding
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POE surface color difference obvious
Problembeschreibung
POE product different parts have uneven color depth, color difference ΔE>5
Ursachenanalyse
Color masterbatch dispersion uneven; pigment orientation during injection causes uneven color distribution; barrel temperature fluctuation causes color change
Lösung
1) Color masterbatch masterbatch method to ensure uniform dispersion; 2) Reduce injection speed to reduce pigment orientation; 3) Stabilize barrel temperature ±2°C
Wichtigste Erkenntnis
Color difference is caused by uneven dispersion and orientation; masterbatch method and stable processing are key
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