Processing Machinery
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LDPE Storage and Transportation
Problem Phenomenon
Pellets agglomerate during storage, or film rolls block and cannot be used after storage
Cause Analysis
LDPE pellets may agglomerate when stored in high-temperature environments; interlayer blocking occurs in film rolls when the slip agent is insufficient; storage temperature and stacking pressure are the main variables; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solution
① Store pellets in a cool place to prevent high-temperature agglomeration; ② film rolls contain sufficient antiblock agent; ③ store film rolls vertically to prevent pressure blocking; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
LDPE storage manages temperature and pressure; pellets prevent agglomeration and film rolls prevent blocking, each with its own countermeasures; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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