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Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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11636 perguntas
Q
CEF extrusion film has gel spots
A
CEF gel spots are caused by residual crosslinking; raw material control and filtration are the key
Extrusion & Post CEF filmgel spotcrosslinking residuescreenprocessing temperature
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Q
CEF product elliptical deformation
A
Elliptical deformation is caused by asymmetric demolding force; uniform ejection is the key
Molds & Tooling CEFelliptical deformationsymmetric ejectionuniform coolingsizing time
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Q
CEF internal delamination cracking
A
Internal delamination is caused by poor interface and shrinkage differences; compatibilizer and uniform cooling are the key
Extrusion & Post CEFinternal delaminationinterface adhesioncompatibilizeruniform cooling
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Q
CEF surface snakeskin texture
A
Snakeskin texture is caused by low-temperature extrusion and elastic recovery; increasing temperature and reducing speed are the key
Extrusion & Post CEFsnakeskin textureextrusion temperatureelastic recoverydie temperature control
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Q
CEF internal black speck carbonization
A
Black specks are caused by thermal carbonization and carbon deposits; reducing temperature and regular cleaning are the key
Processing Machinery CEFinternal black speckthermal carbonizationscrew cleaningtemperature control
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Q
CEF product twist deformation
A
Twist deformation is caused by asymmetric cooling; symmetric cooling is the key
Molds & Tooling CEFtwist deformationsymmetric coolinggate arrangementannealing
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Q
CEF flexural modulus low
A
Low flexural modulus is caused by the softness of the material and insufficient filler; adding rigid fillers is the key
Material Analysis CEFflexural modulusrigid fillernucleating agentcrystallinity
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Q
CEF hydrolysis aging
A
Hydrolysis aging is caused by the sensitivity of polar groups to water; selecting low-polarity grades is the key
Material Drying CEFhydrolysis agingpolar groupanti-hydrolysis stabilizerwaterproof coating
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Q
CEF surface corrugation periodic
A
Corrugations are caused by unstable injection; equipment overhaul and PID control are the key
Injection Molding CEFsurface corrugationinjection stabilityequipment overhaulPID control
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Q
CEF processing smoke large
A
Large smoke is caused by the evaporation of volatiles; reducing temperature and exhausting are the key
Material Analysis CEFprocessing smokevolatilesexhaust systemtemperature reduction
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Todos os tópicos 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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