Extrusion & Post
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Glass Fibre internal delamination cracking
Problem Phenomenon
Glass Fibre product internal delamination, cracking along interface
Cause Analysis
Glass Fibre and incompatible filler or blend component interface adhesion poor; cooling shrinkage difference causes interlayer stress
Solution
1) Use compatibilizer to improve interfacial adhesion; 2) uniform cooling to reduce interlayer stress; 3) reduce incompatible component addition
Key Takeaway
Internal delamination is caused by poor interface and shrinkage difference; compatibilizer and uniform cooling are key
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