المشاكل والحلول

إجابات عملية على التحديات الشائعة في مواد البلاستيك

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Difficult EMA machine purging

Processing Machinery EMA difficult purging adhesion PE flushing dedicated purging compound

EMA material changeover residue

Processing Machinery EMA material changeover residue purging material screw disassembly dead zone cleaning

Fast UV aging of EMA

Fast UV aging is caused by photo-oxidation; UV absorber and HALS are key

Material Analysis EMA UV aging UV absorber HALS radical scavenging

Unstable shrinkage rate of EMA

Material Analysis EMA shrinkage rate batch difference stable temperature control crystallization consistency

Coarse internal crystallization of EMA

Molding Process EMA coarse crystallization spherulite refinement nucleating agent cooling rate

Unstable weight of EMA injection molded products

Injection Molding EMA injection weight fluctuation injection volume holding pressure consistency V/P switchover

EMA Poor Weather Resistance

Material Analysis EMA weather resistance UV absorber HALS photo-oxidation

EMA Extruded Pipe Ovality Out of Standard

Extrusion & Post EMA pipe ovality annular cooling vacuum sizing uniform haul-off

EMA Extruded Film Has Gel Particles

Extrusion & Post EMA film gel particles melting temperature mixing section high-molecular-weight components

EMA Extruded Film Has Transverse Ripples

Extrusion & Post EMA film transverse ripples haul-off vibration cooling roller eccentricity pressure stabilizing device

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