Molding Process
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Static electricity problems on the surface of methyl styrene-acrylonitrile copolymer products
Problem Phenomenon
Product surfaces easily accumulate static electricity, attract dust, or cause electronic component damage.
Cause Analysis
(1) Methyl styrene-acrylonitrile copolymer has high volume resistivity, static electricity is not easily released
(2) No antistatic agent added or insufficient dosage
(3) Low ambient humidity, static electricity easily accumulates
(4) Static electricity generated during friction processing
(5) Insufficient product surface treatment
Solution
(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, eliminate static accumulation
(5) Coat the product surface with antistatic coating
Key Takeaway
Static electricity problems are caused by the high insulation of the material.
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