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Yaygın plastik malzeme zorluklarına pratik yanıtlar

Makalelere Göz At →
11636 soru
Q
Product shows silver streaks, bubbles or decreased mechanical properties
A
Drying requires strict control of conditions according to material characteristics
Material Drying dryingmoisture contentdew pointcellulose acetate butyrate
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Q
Extremely narrow temperature window in CAB processing
A
CAB requires precise temperature control and drying within a narrow processing window
Material Drying CABprocessing windowthermal stabilityprecise temperature control
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Q
Silvery white streaks appear on the product surface along the melt flow direction
Q
PVA product elliptical deformation
A
Elliptical deformation is caused by asymmetric demolding force; uniform ejection is the key
Molds & Tooling PVAelliptical deformationsymmetric ejectionuniform coolingsetting time
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Q
PVA internal delamination cracking
A
Internal delamination is caused by poor interface and shrinkage difference; compatibilizer and uniform cooling are the key
Extrusion & Post PVAinternal delaminationinterfacial bondingcompatibilizeruniform cooling
15 görüntüleme
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Q
PVA surface snakeskin pattern
A
Snakeskin pattern is caused by low-temperature extrusion and elastic recovery; raising temperature and reducing speed are the key
Extrusion & Post PVAsnakeskin patternextrusion temperatureelastic recoverydie temperature control
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Q
Severe moisture absorption of PVA raw material before extrusion
A
PVA is strongly polar and hydrophilic and must be fully dried before processing
Material Drying PVA moisture absorptionvacuum dryingsealed packagingmoisture controlpolar hydrophilicity
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Q
PVA internal black speck carbonization
A
Black specks are caused by thermal carbonization and carbon deposit; temperature reduction and regular cleaning are the key
Processing Machinery PVAinternal black speckthermal carbonizationscrew cleaningtemperature control
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Q
PVA product twist deformation
A
Twist deformation is caused by asymmetric cooling; symmetric cooling is the key
Molds & Tooling PVAtwist deformationsymmetric coolinggate arrangementannealing
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Q
Low PVA flexural modulus
A
Low flexural modulus is caused by soft material and insufficient filler; adding rigid filler is the key
Material Analysis PVAflexural modulusrigid fillernucleating agentcrystallinity
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Kategoriler

Tüm Konular 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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