Material Drying
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Many filament breaks in PLA fiber spinning
Fenómeno del problema
The filament breakage rate is high during PLA melt spinning.
Análisis de la causa
The PLA melt strength is low, degradation and moisture cause filament breakage, and impurities are present.
Solución
Fully dry; control the spinning temperature and residence time; improve the filtration accuracy.
Conclusión clave
PLA spinning has strict requirements on process conditions.
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