Molding Process
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Static electricity problems on the surface of polystyrene products
Problembeschreibung
The product surface easily accumulates static electricity, attracting dust or causing damage to electronic components.
Ursachenanalyse
(1) Polystyrene has high volume resistivity, and static electricity is not easily released
(2) No antistatic agent is added or the dosage is insufficient
(3) Ambient humidity is low, and static electricity easily accumulates
(4) Static electricity is generated during friction processing
(5) Product surface treatment is insufficient
Lösung
(1) Add antistatic agent (0.1-0.5%)
(2) Use permanent antistatic agents or conductive fillers
(3) Increase 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
Static electricity problems are caused by the high insulation of the material.
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