Material Drying
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Many filament breaks in PLA fiber spinning
Problem Phenomenon
The filament breakage rate is high during PLA melt spinning.
Cause Analysis
The PLA melt strength is low, degradation and moisture cause filament breakage, and impurities are present.
Solution
Fully dry; control the spinning temperature and residence time; improve the filtration accuracy.
Key Takeaway
PLA spinning has strict requirements on process conditions.
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