Blow Molding
3 Aufrufe
PP HMS High Melt Strength
Problembeschreibung
【Problem Phenomenon】PP extrusion, '2079851475616104457 and foaming have insufficient melt strength
Ursachenanalyse
HMS-PP high melt strength grades are suitable for extrusion coating, '2079851475616104458, '2079851475616104457 and foaming; overcome the limitation of low melt strength of ordinary PP; during on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience
Lösung
Select HMS-PP for '2079851475616104457, '2079851475616104458 and foaming; use special grades for extrusion coating; select melt strength according to process; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Wichtigste Erkenntnis
PP high melt strength HMS material unlocks '2079851475616104457, foaming and '2079851475616104458; 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 problems in the future
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