Material Drying
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Many filament breaks in PLA fiber spinning
Fenómeno do problema
The filament breakage rate is high during PLA melt spinning.
Análise das causas
The PLA melt strength is low, degradation and moisture cause filament breakage, and impurities are present.
Solução
Fully dry; control the spinning temperature and residence time; improve the filtration accuracy.
Conclusão principal
PLA spinning has strict requirements on process conditions.
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