Processing Machinery
5 görüntüleme
LDPE and LLDPE Blending
Sorun Belirtisi
Output decreases when processing pure LLDPE on old equipment, improves after blending with LDPE but performance is compromised
Neden Analizi
Low-power old equipment is limited in output by the high viscosity of LLDPE; blending more than 15-20% LLDPE into LDPE also reduces output; raising the barrel zone 2 temperature can sometimes eliminate the problem
Çözüm
① Use LDPE/LLDPE blending as a transition on old equipment; ② appropriately raise the barrel zone 2 temperature; ③ the long-term solution is equipment upgrading rather than formulation compromise; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
LDPE and LLDPE blending is a balancing act between equipment and performance; temperature compensation is an emergency measure, equipment upgrading is the radical cure; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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