المشاكل والحلول

إجابات عملية على التحديات الشائعة في مواد البلاستيك

Burnt due to mold venting in PVA '2079851475616104452

Injection Molding PVA injection mold burning vent groove injection speed air compression

Die drool and carbon deposits at PVA extrusion die

Extrusion & Post PVA extrusion die carbon deposit PE flushing residence zone thermal oxidation

Delamination of PVA blended with incompatible resin

Extrusion & Post PVA blend delamination polarity difference PVA-g-MAH reactive compatibilization interfacial bonding

Connected pellets in PVA extrusion pelletizing

Extrusion & Post PVA pelletizing connected pellets pelletizing water temperature cutter speed elastic recovery

Severe parison sag in PVA extrusion '2079851475616104457

Blow Molding PVA '2079851475616104457 parison sag melt strength slight crosslinking wall thickness control

Yellowing of PVA products after processing

Production & Quality PVA yellowing thermo-oxidation antioxidant UV absorber metal catalysis

Dimensional change of PVA products during long-term storage

Material Analysis PVA dimensional stability physical aging annealing secondary crystallization slight crosslinking

Poor interfacial bonding between PVA and filler

Material Analysis PVA filler interfacial bonding coupling agent compatibilizer filler dispersion

Melt fracture in PVA extrusion

Extrusion & Post PVA extrusion melt fracture elastic recovery die L/D extrusion rate

Bubbles in thick-walled PVA '2079851475616104452

Material Drying PVA injection bubbles holding pressure thick-walled products mold venting

السابق 1 ... 495 496 497 498 499 500 501 ... 1164 التالي