Molding Process
4 조회수
Surface scratches of PMMA products
문제 현상
The surface of PMMA transparent products is prone to scratches, affecting appearance.
원인 분석
Although PMMA surface hardness (pencil hardness 3H-4H) is higher than PETG, it is still easily scratched.
해결 방법
Adopt surface hard coating (silicone or UV curing); product protective film packaging.
핵심 요약
PMMA surface scratch resistance needs coating protection.
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