Molding Process
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Static electricity problems on the surface of styrene-acrylonitrile copolymer products
Fenómeno del problema
The product surface easily accumulates static electricity, attracting dust or causing damage to electronic components.
Análisis de la causa
(1) Styrene-acrylonitrile copolymer 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
Solución
(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
Conclusión clave
Static electricity problems are caused by the high insulation of the material.
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