Extrusion & Post
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LDPE Film Static Electricity Dust Attraction
Problem Phenomenon
The film surface attracts dust and requires repeated cleaning before printing and laminating.
Cause Analysis
Film friction generates static electricity that attracts environmental dust; static accumulation is more serious when ambient humidity is low.; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience.
Solution
①Install ionized air static elimination devices; ②Increase ambient humidity; ③Add antistatic masterbatch; ④Standardize the cleaning process.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability.
Key Takeaway
Static management relies on both equipment and material means; antistatic masterbatch suits long-term storage scenarios.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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