Molding Process
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Surface scratches of PMMA products
Fenómeno del problema
The surface of PMMA transparent products is prone to scratches, affecting appearance.
Análisis de la causa
Although PMMA surface hardness (pencil hardness 3H-4H) is higher than PETG, it is still easily scratched.
Solución
Adopt surface hard coating (silicone or UV curing); product protective film packaging.
Conclusión clave
PMMA surface scratch resistance needs coating protection.
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