Molding Process
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glass fiber aspect ratio too large affecting processing
Problem Phenomenon
glass fiber aspect ratio >100:1 causes fiber entanglement and processing difficulty
Cause Analysis
glass fiber initial length too long >6mm, retained length after processing too long, easy to entangle
Solution
1) select chopped glass fiber with length 3-6mm; 2) control aspect ratio 30-50:1; 3) twin-screw compounding to control fiber length retention
Key Takeaway
excessive aspect ratio is caused by initial fibers being too long; selecting chopped fibers is key
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