Processing Machinery
4 görüntüleme
PP Recycling
Sorun Belirtisi
[Problem Phenomenon] Feasibility and precautions of PP recycling
Neden Analizi
PP recycling is mature (recycling code 5): grinding and reprocessing; repeated thermal history degrades performance; closed-loop and downcycling coexist; food-grade recycling requires special processes; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based on experience alone
Çözüm
Blend regrind by ratio and verify; sorted recycling preserves purity; select certified processes for food-grade recycling; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
PP recycling code 5 is mature; ratio and purity are the key; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar future problems
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