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Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

11636 perguntas
Q
POE surface microcracks
A
Microcracks are caused by excessive internal stress; annealing and crack-resistant design are key
Production & Quality POEmicrocracksinternal stressannealing treatmentstress concentration design
Q
POE surface gloss poor
A
Poor gloss is caused by mold roughness and crystallization scattering; polishing mold and controlling crystallization are key
Molds & Tooling POEglossmold polishingcrystallization scatteringnucleating agent
Q
POE toughened PP stiffness-toughness balance poor
A
Stiffness-toughness balance requires ternary system and optimized POE particle size
Molding Process POE/PPstiffness-toughness balanceternary compositePOE particle sizenucleating agent
Q
POE shrinkage unstable
A
Shrinkage instability is caused by batch differences and temperature fluctuation; raw material and temperature control are key
Material Analysis POEshrinkagebatch differencetemperature control stabilitycrystallization consistency
Q
POE/PP dynamic crosslinking crosslinking degree insufficient
A
TPV crosslinking degree insufficient; optimize DCP/TAIC and shear
Molding Process POE/PP TPVdynamic crosslinkingcrosslinking degreeDCPTAIC
Q
POE internal coarse crystallization
A
Coarse crystallization is caused by slow cooling; fast cooling and nucleating agent are key
Molding Process POEcoarse crystallizationspherulite refinementnucleating agentcooling rate
Q
POE extrusion pipe ovality exceeds standard
A
Ovality is caused by uneven cooling and clamping; annular cooling and uniform haul-off are key
Extrusion & Post POE pipeovalityannular coolingvacuum sizinguniform haul-off
Q
POE extrusion film gel particles
A
Gel particles are caused by insufficient melting; raising temperature and mixing are key
Extrusion & Post POE filmgel particlemelting temperaturemixing sectionhigh molecular weight component
Q
POE extrusion film transverse corrugation
A
Transverse corrugation is caused by haul-off vibration and roller eccentricity; equipment overhaul and stable control are key
Extrusion & Post POE filmtransverse corrugationhaul-off vibrationcooling roller eccentricitypressure stabilizing device
Q
POE extrusion screen frequent clogging
A
Screen clogging is caused by impurities and improper configuration; raw material control and stepped screens are key
Extrusion & Post POE extrusionscreen clogginggel particlesstepped screenautomatic screen change
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