Material Drying
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TPU product static dust attraction
Problem Phenomenon
The surface adsorbs dust and affects the appearance.
Cause Analysis
TPU insulation accumulates static electricity; dry environments aggravate it; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry materials and should be confirmed first during troubleshooting
Solution
①ionized air to remove static electricity; ②control ambient humidity; ③evaluate antistatic formulations; ④standardize packaging protection; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
Static electricity management relies on both environmental and material means; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems later
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