Material Analysis
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CEF flexural modulus low
Problem Phenomenon
The flexural modulus of the CEF product is <20% of the design value
Cause Analysis
CEF is soft and has low modulus; the filler addition is insufficient or the interface is poor and does not play a reinforcing role; the crystallinity is low
Solution
1) Add 10-15wt% rigid filler to increase the modulus; 2) Nucleating agent to increase the crystallinity; 3) Select high-modulus grades
Key Takeaway
Low flexural modulus is caused by the softness of the material and insufficient filler; adding rigid fillers is the key
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