Problem & Solution

Practical answers to common plastic material challenges

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POE surface microcracks

Production & Quality POEmicrocracksinternal stressannealing treatmentstress concentration design

POE surface gloss poor

Molds & Tooling POEglossmold polishingcrystallization scatteringnucleating agent

POE toughened PP stiffness-toughness balance poor

Stiffness-toughness balance requires ternary system and optimized POE particle size

Molding Process POE/PPstiffness-toughness balanceternary compositePOE particle sizenucleating agent

POE shrinkage unstable

Material Analysis POEshrinkagebatch differencetemperature control stabilitycrystallization consistency

POE/PP dynamic crosslinking crosslinking degree insufficient

TPV crosslinking degree insufficient; optimize DCP/TAIC and shear

Molding Process POE/PP TPVdynamic crosslinkingcrosslinking degreeDCPTAIC

POE internal coarse crystallization

Molding Process POEcoarse crystallizationspherulite refinementnucleating agentcooling rate

POE extrusion pipe ovality exceeds standard

Extrusion & Post POE pipeovalityannular coolingvacuum sizinguniform haul-off

POE extrusion film gel particles

Gel particles are caused by insufficient melting; raising temperature and mixing are key

Extrusion & Post POE filmgel particlemelting temperaturemixing sectionhigh molecular weight component

POE extrusion film transverse corrugation

Extrusion & Post POE filmtransverse corrugationhaul-off vibrationcooling roller eccentricitypressure stabilizing device

POE extrusion screen frequent clogging

Extrusion & Post POE extrusionscreen clogginggel particlesstepped screenautomatic screen change

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