Material Drying
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PCL storage stability
Problem Phenomenon
PCL raw material storage moisture absorption and degradation, packaging and environmental management.
Cause Analysis
PCL hygroscopicity; storage temperature and humidity; packaging sealing; shelf life; performance changes.；During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Solution
①Sealed packaging; ②Environmental control; ③First in first out; ④Performance testing; ⑤Storage records.；After adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
PCL storage management is the quality front end; both sealing and environment are emphasized; testing prevents deterioration.；After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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