Extrusion & Post
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Unstable crimp degree of PET fiber
Fenómeno do problema
The crimp degree of PET staple fiber differs greatly between batches, affecting carding and web-forming uniformity.
Análise das causas
Crimping machine temperature or pressure fluctuates; fiber cooling is uneven, causing inconsistent crimp setting; the drawing process fluctuates.
Solução
Stabilize crimping machine temperature and pressure parameters; optimize fiber cooling conditions for uniform temperature; keep the drawing process stable.
Conclusão principal
PET staple fiber crimp stability is crucial for downstream textile processing.
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