Processing Machinery
4 görüntüleme
PET beer bottle barrier
Sorun Belirtisi
During the shelf life of PET beer bottles, oxygen transmission causes the taste to deteriorate
Neden Analizi
PET has limited oxygen barrier, beer is extremely sensitive to oxygen, and a single-layer PET cannot meet the shelf life; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Çözüm
Adopt a multi-layer barrier bottle (containing an EVOH or MXD6 layer) or a coated barrier layer; verify by oxygen transmission rate and shelf life; after adjustment, take consecutive samples to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
Beer bottles must have a barrier structure, and single-layer PET does not meet the standard; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems
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