Material Analysis
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PETG raw material batch-to-batch flowability difference
Problem Phenomenon
Different batches of PETG raw material have MFI differences, affecting filling consistency.
Cause Analysis
Fluctuations in the raw material production process cause different molecular weight distributions, inherent differences between batches.
Solution
Establish an incoming inspection system; fine-tune the process according to batch differences; unify standards with the supplier.
Key Takeaway
PETG batch difference is a variable that needs continuous management in production.
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