Molds & Tooling
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PAI melt mold filling difficulty
Problem Phenomenon
PAI still has very high viscosity and poor flowability in the molten state
Cause Analysis
Viscosity high when processing temperature is below 340°C; mold temperature low
Solution
Increase the melt temperature to 360-380°C; keep the mold temperature high at 200-230°C
Key Takeaway
The temperature and pressure required for PAI processing are second only to PI
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