Material Analysis
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Glass Fibre flexural modulus too low
Problem Phenomenon
Glass Fibre product flexural modulus 20% below design value
Cause Analysis
Glass Fibre soft, modulus low; filler addition insufficient or interface poor, no reinforcing effect; crystallinity too low
Solution
1) Add 10-15wt% rigid filler to raise modulus; 2) nucleating agent raises crystallinity; 3) select high modulus grade
Key Takeaway
Low flexural modulus is caused by material softness and insufficient filler; adding rigid filler is key
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