Molding Process
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Static electricity attracting dust on PET bottle filling lines
Problem Phenomenon
High-speed PET bottle filling lines attract dust from the air due to electrostatic effects, affecting hygiene and appearance.
Cause Analysis
PET surface resistivity >10¹⁶Ω; friction generates static electricity that is not easily dissipated; low ambient humidity aggravates static electricity; conveyor belt material rubs against PET to generate charge.
Solution
Increase ambient humidity to 50-60%RH; use ionizing air bars to eliminate static electricity; add antistatic agents.
Key Takeaway
PET static electricity problems are prominent in low-humidity environments and require comprehensive antistatic measures.
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