Extrusion & Post
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Annealing process of PAR products
Problem Phenomenon
Insufficient annealing results in poor effects of eliminating internal stress and stabilizing dimensions.
Cause Analysis
The annealing temperature, time, or heating and cooling rate is improper.
Solution
Anneal at 160-180°C for 2-4h with slow heating and cooling.
Key Takeaway
PAR annealing is a standard process for high-reliability applications.
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