Injection Molding
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Crystallization control during PLA '2079851475616104452
Fenómeno do problema
The processing conditions of amorphous and crystalline PLA differ greatly, causing quality problems.
Análise das causas
The crystallization rate of PLA is slow (compared with PET), and the mold temperature and time need to match the crystallization requirements.
Solução
Use 20-40°C mold temperature for amorphous PLA; use 80-120°C mold temperature for crystalline PLA and extend the holding and cooling time.
Conclusão principal
The process difference of PLA crystallization control is the key to quality.
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