Molding Process
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EEA Insufficient Low-Temperature Performance
Problem Phenomenon
EEA product impact strength at -40°C is below application requirements
Cause Analysis
EEA ethyl acrylate content is low, leading to insufficient low-temperature toughness
Solution
1) Select high EA content EEA with EA>18% to improve low-temperature toughness; 2) Add 5wt% EEA elastomer for toughening; 3) Anneal to release orientation stress
Key Takeaway
EEA low-temperature performance is determined by EA content; selecting a high EA grade is fundamental
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