Injection Molding
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PETG injection molded part surface scratches
Problembeschreibung
PETG transparent product surfaces are prone to scratches, and transparency and appearance are affected.
Ursachenanalyse
PETG surface hardness is low (pencil hardness HB-F), contact with hard objects during handling, and scratching during mold opening/closing and ejection.
Lösung
Use UV-curable hard coating to increase hardness; optimize mold opening/closing and demolding actions; use protective film for product packaging.
Wichtigste Erkenntnis
PETG poor surface scratch resistance is its application shortcoming, requiring coating protection.
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