Molding Process
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Surface Static Electricity Problem of general purpose polystyrene Products
Problembeschreibung
The product surface easily accumulates static electricity, adsorbing dust or causing damage to electronic components.
Ursachenanalyse
（1）The volume resistivity of general purpose polystyrene is high, and static electricity is not easily released
（2）No antistatic agent is added or the dosage is insufficient
（3）The ambient humidity is low, and static electricity easily accumulates
（4）Static electricity is generated during friction processing
（5）The product surface treatment is insufficient
Lösung
（1）Add an antistatic agent (0.1-0.5%)
（2）Use a permanent antistatic agent or conductive filler
（3）Increase the production environment humidity to 50-60%
（4）Ground the equipment to eliminate static electricity accumulation
（5）Coat the product surface with an antistatic coating
Wichtigste Erkenntnis
The static electricity problem is caused by the high insulation of the material.
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