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Problem & Solution

Practical answers to common plastic material challenges

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11636 questions
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
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Q
Poor interfacial bonding between EEA and filler
A
The elastomer-filler interface requires the dual action of coupling agent and compatibilizer, otherwise the filler has a negative effect
Material Analysis EEA fillerinterfacial bondingcoupling agentcompatibilizerfiller dispersion
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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
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Q
EEA '2079851475616104452 demolding difficulty
A
Demolding difficulty is caused by adhesion and insufficient mold design; increasing draft angle is the fundamental measure
Injection Molding EEA injectiondemolding difficultydraft angleadhesionejection design
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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
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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
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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
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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
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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
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All Topics 11636 Material Drying 1439 Injection Molding 1506 Molding Process 740 Molds & Tooling 1506 Processing Machinery 2025 Extrusion & Post 2239 Blow Molding 315 Thermoforming 141 Material Analysis 1343 Production & Quality 382
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