Processing Machinery
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Glass Fibre insufficient mixing
Problem Phenomenon
Glass Fibre blended with filler/additives, dispersion uneven, local agglomeration
Cause Analysis
Screw mixing section length insufficient; kneading block number not enough; feeding method improper, additives and Glass Fibre not fully contacted
Solution
1) Increase screw mixing section length to 3-4D; 2) increase kneading block number; 3) additives added later at side feed port to increase mixing time
Key Takeaway
Insufficient mixing is caused by improper screw design; increasing mixing section is key
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