Processing Machinery
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Glass fiber uneven dispersion
Problem Phenomenon
In glass fiber reinforced composite material, glass fiber distribution uneven, local aggregation and blank zones
Cause Analysis
Twin-screw blending shear insufficient, glass fiber dispersion uneven; glass fiber addition method improper
Solution
1) Twin-screw high-shear blending, speed 300-400rpm; 2) glass fiber added at side feed port; 3) glass fiber masterbatch method ensures dispersion; 4) increase kneading block number
Key Takeaway
Glass fiber dispersion is caused by insufficient shear; high shear and side feeding are key
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