Material Analysis
11 조회수
PETG product surface hardness test low
문제 현상
The pencil hardness test is lower than expected (below HB), easily scratched.
원인 분석
No surface hardening treatment after molding, the raw material grade itself is soft in hardness.
해결 방법
Use high-hardness PETG grades; treat the product surface with UV hard coating or silicon hard coating.
핵심 요약
PETG surface hardness can be improved by coating.
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