Material Analysis
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PET bottle drop test rupture
Fenómeno del problema
PET bottle body ruptures in 1.2m or 1.5m drop tests, not meeting product standards.
Análisis de la causa
Insufficient or unevenly distributed bottle wall thickness, stress concentration points in bottle body design, material IV too low or recycled material ratio too high.
Solución
Optimize bottle shape to reduce stress concentration; increase wall thickness (bottom and shoulder); use high-IV raw material ≥0.80; optimize gate position.
Conclusión clave
PET bottle drop performance is the comprehensive result of bottle shape design, material selection, and process.
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