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المشاكل والحلول

إجابات عملية على التحديات الشائعة في مواد البلاستيك

11636 سؤال
Q
EEA 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 EEA dimensional stabilityphysical agingannealingsecondary crystallizationslight crosslinking
Q
Poor interfacial bonding between EEA and filler
Q
EEA extrusion melt fracture
Q
EEA injection thick-wall bubbles
A
Thick-wall bubbles are caused by a combination of insufficient holding, moisture and poor venting
Material Drying EEA injectionbubblesholding pressurethick-wall productmold venting
Q
EEA '2079851475616104452 demolding difficulty
Q
Non-uniform EAA extrusion coating thickness
A
EAA coating thickness requires die design and temperature control optimization
Extrusion & Post EAA coatingthickness uniformitydie designtemperature controlonline thickness measurement
Q
EAA product elliptical deformation
A
Elliptical deformation is caused by asymmetric demolding force; uniform ejection is key
Molds & Tooling EAAelliptical deformationsymmetric ejectionuniform coolingsetting time
Q
EAA internal delamination cracking
A
Internal delamination is caused by poor interface and shrinkage difference; compatibilizer and uniform cooling are key
Extrusion & Post EAAinternal delaminationinterfacial bondingcompatibilizeruniform cooling
Q
EAA surface snakeskin texture
A
Snakeskin texture is caused by low-temperature extrusion and elastic recovery; raising temperature and reducing speed is key
Extrusion & Post EAAsnakeskin textureextrusion temperatureelastic recoverydie temperature control
Q
EAA internal black speck carbonization
A
Black specks are caused by thermal carbonization and carbon deposits; lowering temperature and regular cleaning are key
Processing Machinery EAAinternal black speckthermal carbonizationscrew cleaningtemperature control
ChemAI