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Silver Streaks Caused by Moisture in EVOH Processing

Material Drying EVOH injectionsilver streakmoisture dryingventingback pressure

EVOH '2079851475616104452 Cold Slug Marks

Injection Molding EVOH injectioncold slug marknozzle temperaturecold slug wellinjection pressure

EVOH Extruded Film Winding Wrinkles

Extrusion & Post EVOH filmwinding wrinkletension controlthickness uniformityguide roller parallelism

EVOH '2079851475616104452 Flow Marks

Injection Molding EVOH injectionflow markinjection speedmold temperaturegate area

EVOH '2079851475616104452 Sink Marks

Injection Molding EVOH injectionsink markholding pressurewall thickness differencegate design

EVOH Performance Degradation After Repeated Processing

Production & Quality EVOH recyclingperformance degradationantioxidant supplementationthermal degradationshear degradation

EVOH injection multi-cavity filling imbalance

Injection Molding EVOH injection multi-cavity balance runner design gate size mold flow analysis

EVOH injection molded product ejector whitening

Injection Molding EVOH injection ejector whitening ejector pin area cooling time draft angle

EVOH heat-sensitive degradation and discoloration

Material Analysis EVOH thermal decomposition dealcoholization yellowing heat stabilizer temperature control

EVOH extrusion feeding is unstable

Extrusion & Post EVOH feeding bridging loss-in-weight feeder pelletizing feeding screw

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