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Yaygın plastik malzeme zorluklarına pratik yanıtlar

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11636 soru
Q
DSTDP large dimensional change with temperature
A
Dimensional temperature sensitivity is caused by large thermal expansion coefficient; adding filler and annealing are key
Extrusion & Post DSTDPdimensional temperature sensitivitythermal expansion coefficientrigid fillerannealing treatment
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Q
DSTDP hardness too high
A
High hardness is caused by crystallization and filler; adjusting cooling and filler are key
Material Analysis DSTDPhardness too highcrystallinityfiller amountplasticizer
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Q
DSTDP obvious surface color difference
A
Color difference is caused by uneven dispersion and orientation; masterbatch method and stable processing are key
Injection Molding DSTDPcolor differencecolor masterbatch dispersionpigment orientationtemperature stability
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Q
DSTDP surface orange peel texture
A
Orange peel texture is caused by rapid cooling and solidification; raising mold temperature and holding pressure are key
Injection Molding DSTDPorange peel texturemold temperatureholding pressuresurface solidification
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Q
DSTDP surface stress whitening
A
Stress whitening is caused by orientation and internal stress; reducing orientation and annealing are key
Molding Process DSTDPstress whiteningorientation stressannealing treatmentstress concentration
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Q
DSTDP fast thermal aging
A
Thermal aging is caused by thermo-oxidation; completing the antioxidant system is key
Material Analysis DSTDPthermal agingthermo-oxidationantioxidanthigh molecular weight
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Q
DSTDP insufficient mixing
A
Insufficient mixing is caused by improper screw design; increasing the mixing section is key
Processing Machinery DSTDPinsufficient mixingscrew mixing sectionkneading blocksside feeding
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Q
DSTDP poor fatigue resistance
A
Poor fatigue resistance is caused by insufficient recovery and fast crack propagation; increasing crosslinking is key
Production & Quality DSTDPfatigue resistancecrosslinking degreemolecular weightstress concentration
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Q
DSTDP severe internal stress concentration
A
Internal stress is caused by fast injection and uneven cooling; reducing speed, uniform cooling and annealing are key
Injection Molding DSTDPinternal stressorientation stressannealing treatmentuniform cooling
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Q
DSTDP dense surface pockmarks
A
Pockmarks are caused by raw material impurities and mold damage; pure raw material and mold maintenance are key
Extrusion & Post DSTDPsurface pockmarksimpurity particlesmold repairpure raw material
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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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