Blow Molding
5 görüntüleme
PET bottle failing stress cracking test
Sorun Belirtisi
Bottom or neck cracking appears in the PET bottle alkaline solution stress cracking test.
Neden Analizi
Improper bottle bottom design (no petaloid bottom); excessive orientation of material at the bottom injection point; unreasonable '2079851475616104457 parameters cause local over-stretching.
Çözüm
Optimize bottle bottom design by adding reinforcing ribs or a petaloid bottom; adjust '2079851475616104457 to reduce bottom over-stretching; select bottle-grade PET with IV≥0.80.
Temel Çıkarım
PET bottle stress cracking is closely related to bottle design, material selection and process parameters.
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