Material Analysis
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CEF tensile strength insufficient
Problem Phenomenon
The tensile strength of the CEF product is 15-20% lower than the standard value
Cause Analysis
The CEF molecular weight is low and the strength foundation is insufficient; the filler interface is poor and does not play a reinforcing role; the orientation is excessive, strong in the longitudinal direction and weak in the transverse direction
Solution
1) Select high-molecular-weight CEF grades; 2) Treat the filler with a coupling agent to improve the interface; 3) Reduce the orientation to reduce the longitudinal-transverse difference
Key Takeaway
Insufficient tensile strength is caused by molecular weight and poor interface; selecting high MW grades is the key
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