Processing Machinery
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CEF mixing insufficient
Problem Phenomenon
After CEF is blended with fillers/additives, the dispersion is uneven with local agglomeration
Cause Analysis
The length of the screw mixing section is insufficient; the number of kneading blocks is not enough; the feeding method is improper and the additives are not in full contact with CEF
Solution
1) Increase the length of the screw mixing section to 3-4D; 2) Increase the number of kneading blocks; 3) Add the additives through the side feeding port to increase the mixing time
Key Takeaway
Insufficient mixing is caused by improper screw design; increasing the mixing section is the key
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