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