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