Blow Molding
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COC Comparison with PMMA
Fenómeno del problema
COC's optical performance is comparable to PMMA, but its heat resistance and dimensional stability are better.
Análisis de la causa
COC's optical performance can rival PMMA; its heat resistance is better than PC; its water absorption is far lower than PMMA; its dimensional stability is even better; its density is 10% lower; its water vapor tightness is good; its rigidity and heat resistance are improved.
Solución
①Performance comparison utilization; ②heat resistance and dimensional advantages; ③low water absorption advantage; ④lightweighting; ⑤application selection.; After adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Conclusión clave
The comparison of COC with PMMA is the basis of replacement decisions; the comprehensive advantages are the value; selection ensures application success.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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