Extrusion & Post
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CEF internal delamination cracking
Fenómeno del problema
The CEF product delaminates internally and cracks along the interface
Análisis de la causa
The interface adhesion between CEF and incompatible fillers or blending components is poor; the cooling shrinkage difference causes interlayer stress
Solución
1) Use a compatibilizer to improve the interface adhesion; 2) Uniform cooling to reduce interlayer stress; 3) Reduce the amount of incompatible components added
Conclusión clave
Internal delamination is caused by poor interface and shrinkage differences; compatibilizer and uniform cooling are the key
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