Thermoforming
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PPO Multi-Layer Co-Extrusion Temperature Matching
Fenómeno del problema
【Problem Phenomenon】PPO sheet co-extrusion has poor interlayer bonding, and temperature setting cannot satisfy all layers
Análisis de la causa
PPE/HIPS blend sheet extrusion and '2079851475616104458 applications are increasing; during co-extrusion, the matching of melt temperature and viscosity of each layer determines interlayer bonding; PPO's high solidification temperature requires special cooling management
Solución
Set the temperature of each co-extrusion layer according to viscosity matching; sample interlayer bonding strength; strengthen the cooling system according to PPO's high solidification temperature; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Conclusión clave
PPO co-extrusion depends on interlayer temperature and viscosity matching; cooling is designed according to the high solidification temperature; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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