Material Analysis
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PETG product surface hardness test low
Problembeschreibung
The pencil hardness test is lower than expected (below HB), easily scratched.
Ursachenanalyse
No surface hardening treatment after molding, the raw material grade itself is soft in hardness.
Lösung
Use high-hardness PETG grades; treat the product surface with UV hard coating or silicon hard coating.
Wichtigste Erkenntnis
PETG surface hardness can be improved by coating.
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