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Practical answers to common plastic material challenges

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Poor EEA weather resistance

Material Analysis EEAweather resistanceUV absorberHALSphoto-oxidation

EEA extruded pipe ovality out of tolerance

Extrusion & Post EEA pipeovalityannular coolingvacuum sizinguniform haul-off

Large current fluctuation of EEA extruder

Extrusion & Post EEA extrusioncurrent fluctuationtemperature control accuracyscrew designfeeding stability

EEA extruded film has gel particles

Extrusion & Post EEA filmgel particlesmelting temperaturemixing sectionhigh molecular weight components

EEA extruded film has transverse ripples

Extrusion & Post EEA filmtransverse rippleshaul-off vibrationcooling roller eccentricitypressure stabilizing device

Frequent screen clogging in EEA extrusion

Extrusion & Post EEA extrusionscreen clogginggel particlesstepped screensautomatic screen change

Silver streaks caused by moisture in EEA processing

Material Drying EEA injectionsilver streaksmoisture dryingventingback pressure

EEA injection cold slug marks

Injection Molding EEA injectioncold slug marksnozzle temperaturecold slug wellinjection pressure

EEA extruded film winding wrinkles

Extrusion & Post EEA filmwinding wrinklestension controlthickness uniformityguide roller parallelism

EEA injection flow marks

Injection Molding EEA injectionflow marksinjection speedmold temperaturegate area

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