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Yaygın plastik malzeme zorluklarına pratik yanıtlar

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11636 soru
Q
Insufficient orientation degree of PET film
A
PET film orientation degree determines film strength; draw ratio and temperature are the core parameters.
Extrusion & Post PETorientation degreerefractive indexdraw ratiostretching temperature
9 görüntüleme
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Q
Dimensional changes of PET injection molded products at high temperature
A
The high-temperature dimensional stability of PET products depends on sufficient crystallinity.
Extrusion & Post PETdimensional changepost-crystallizationannealingmold temperature
9 görüntüleme
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Q
Radial streaks on the surface of PET products
A
PET radial streaks are caused by unstable melt front flow.
Injection Molding PETradial streaksmelt frontinjection speed
3 görüntüleme
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Q
Whitening in the gate area of PET preforms
A
PET gate whitening is the result of stress-induced crystallization; reducing shear is the fundamental measure.
Injection Molding PETgatewhiteningstress crystallizationshear rate
3 görüntüleme
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Q
PET products embrittle at low temperatures
A
PET low-temperature brittleness is an inherent material characteristic and needs to be improved through formulation and design optimization.
Material Analysis PETlow-temperature embrittlementglass transition temperaturetougheninginternal stress
3 görüntüleme
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Q
Burning from poor venting in PET preform '2079851475616104452
Q
Excessive migrants in PET food packaging
A
PET food packaging compliance involves comprehensive control of raw materials, process, and additives.
Material Analysis PETmigrantsfood packagingoligomerscompliance
2 görüntüleme
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Q
PET bottle drop test rupture
A
PET bottle drop performance is the comprehensive result of bottle shape design, material selection, and process.
Material Analysis PETdrop testrupturestress concentrationwall thickness
2 görüntüleme
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Q
Poor adhesion of PET vacuum aluminized film
A
PET aluminized film adhesion depends on surface treatment and coating process.
Molding Process PETaluminizingadhesioncorona treatmentsurface energy
9 görüntüleme
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Q
High density of PET extruded foamed sheet
A
PET foaming density control requires synergy of melt strength, foaming agent, and process.
Material Analysis PETfoamingdensitymelt strengthchain extender
2 görüntüleme
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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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