Material Analysis
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EEA Low Flexural Modulus
Problem Phenomenon
EEA product flexural modulus is 20% lower than the design value
Cause Analysis
EEA soft, low modulus; insufficient filler addition or poor interface, no reinforcing effect; crystallinity low
Solution
1) Add 10-15wt% rigid filler to increase modulus; 2) Nucleating agent to increase crystallinity; 3) Select high-modulus grades
Key Takeaway
Low flexural modulus is caused by material softness and insufficient filler; adding rigid filler is key
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