Molding Process
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Poor PVA antistatic effect
Problem Phenomenon
PVA product surface resistance >10¹²Ω, severe static
Cause Analysis
Antistatic agent addition insufficient <0.1wt%; antistatic agent migration rate slow, not reaching the surface
Solution
1) Increase antistatic agent to 0.3-0.5wt%; 2) Select an antistatic agent with fast migration rate; 3) Surface coating with antistatic liquid for immediate effect
Key Takeaway
Poor antistatic effect is caused by insufficient addition; increasing the antistatic agent is the key
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