Extrusion & Post
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PBAT static electricity problem
Problem Phenomenon
PBAT film static electricity attracts dust, causing printing and packaging problems.
Cause Analysis
PBAT insulation causes static accumulation; low environmental humidity; frictional electrification; insufficient antistatic agent; lack of elimination devices.; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solution
①Add antistatic agent; ②control environmental humidity; ③static elimination devices; ④grounding measures.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
PBAT static management is the norm in film processing; antistatic and elimination are equally important; environmental control is auxiliary.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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