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문제 및 해결책

일반적인 플라스틱 재료 문제에 대한 실질적인 답변

기사 둘러보기 →
11636 질문
Q
EVOH Hardness Too High
A
High hardness is caused by crystallization and filler; adjusting cooling and filler is key
Material Analysis EVOHhigh hardnesscrystallinityfiller amountplasticizer
16 조회수
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Q
Obvious EVOH Surface Color Difference
A
Color difference is caused by uneven dispersion and orientation; masterbatch method and stable processing are key
Injection Molding EVOHcolor differencecolor masterbatch dispersionpigment orientationtemperature stability
15 조회수
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Q
EVOH Surface Stress Whitening
A
Stress whitening is caused by orientation and internal stress; reducing orientation and annealing are key
Molding Process EVOHstress whiteningorientation stressannealingstress concentration
16 조회수
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Q
Fast EVOH Thermal Aging
A
Thermal aging is caused by thermo-oxidation; improving antioxidant system is key
Material Analysis EVOHthermal agingthermo-oxidationantioxidanthigh molecular weight
16 조회수
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Q
Insufficient EVOH Mixing
A
Insufficient mixing is caused by improper screw design; increasing mixing section is key
Processing Machinery EVOHinsufficient mixingscrew mixing sectionkneading blockside feeding
16 조회수
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Q
Poor EVOH Fatigue Resistance
A
Poor fatigue resistance is caused by insufficient recovery and fast crack propagation; increasing crosslinking is key
Molds & Tooling EVOHfatigue resistancecrosslinking degreemolecular weightstress concentration
16 조회수
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Q
Low EVOH Elongation at Break
A
Low elongation at break is caused by low molecular weight and orientation; selecting high MW and reducing orientation are key
Material Analysis EVOHelongation at breakmolecular weightorientation controlcrosslinking degree
16 조회수
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Q
Large EVOH Compression Set
A
Large compression set is caused by insufficient crosslinking; increasing crosslinking degree is key
Molding Process EVOHcompression setcrosslinking degreeelastic recoveryreinforcing filler
16 조회수
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Q
EVOH Surface Orange Peel
A
Orange peel is caused by rapid cooling and solidification; increasing mold temperature and holding pressure are key
Injection Molding EVOHorange peelmold temperatureholding pressuresurface solidification
15 조회수
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Q
EVOH Surface Blooming
A
Blooming is caused by low molecular migration and exudation; selecting high molecular weight grade is fundamental
Production & Quality EVOHbloominglow molecular migrationhigh molecular weightlubricant exudation
16 조회수
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카테고리

전체 주제 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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