Material Analysis
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Excessive migrants in PET food packaging
Fenómeno del problema
PET food packaging migrant test exceeds standard (total migration >10mg/dm²), not complying with food contact regulations.
Análisis de la causa
High low-molecular oligomer content in raw material, processing temperature too high producing degradation products, high additive migration.
Solución
Select food-grade PET (low oligomer); reduce processing temperature; control additive types and dosages; strictly control recycled material.
Conclusión clave
PET food packaging compliance involves comprehensive control of raw materials, process, and additives.
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