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المشاكل والحلول

إجابات عملية على التحديات الشائعة في مواد البلاستيك

11636 سؤال
Q
EMA Extrusion Pelletizing Connected Pellets
A
Connected pellets are caused by elastic recovery and low-temperature pelletizing; high-temperature water cutting and fast cutting are key
Extrusion & Post EMA pelletizing connected pellets pelletizing water temperature cutter speed elastic recovery
Q
EMA Extrusion '2079851475616104457 Severe Parison Sag
A
Parison sag is caused by low melt strength; slight crosslinking and wall thickness control are key
Blow Molding EMA '2079851475616104457 parison sag melt strength slight crosslinking wall thickness control
Q
EMA Product Yellowing After Processing
A
Yellowing is caused by thermal/photo-oxidation and metal catalysis; improving the antioxidant system and UV absorber are key
Production & Quality EMA yellowing thermal oxidation antioxidant UV absorber metal catalysis
Q
EMA Product Dimensional Change During Long-Term Storage
A
Dimensional change is caused by physical aging; annealing treatment and slight crosslinking are measures to stabilize dimensions
Material Analysis EMA dimensional stability physical aging annealing secondary crystallization slight crosslinking
Q
EMA Poor Interfacial Bonding with Filler
Q
EMA Extrusion Melt Fracture
Q
EMA '2079851475616104452 Thick-Wall Bubbles
A
Thick-wall bubbles are caused by a combination of insufficient holding pressure, moisture and poor venting
Material Drying EMA injection bubbles holding pressure thick-wall products mold venting
Q
EMA '2079851475616104452 Demolding Difficulty
A
Q
EEA Product Elliptical Deformation
A
Elliptical deformation is caused by asymmetric demolding force; uniform ejection is key
Molds & Tooling EEA elliptical deformation symmetric ejection uniform cooling setting time
Q
EEA Internal Delamination Cracking
A
Internal delamination is caused by poor interface and shrinkage differences; compatibilizer and uniform cooling are key
Extrusion & Post EEA internal delamination interfacial bonding compatibilizer uniform cooling
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