Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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CEF antistatic effect poor

Molding Process CEFantistaticantistatic agentsurface resistancemigration rate

CEF compression set large

Molding Process CEFcompression setcrosslinking degreeelastic recoveryreinforcing filler

CEF surface stress whitening

Molding Process CEFstress whiteningorientation stressannealing treatmentstress concentration

CEF internal coarse crystallization

Molding Process CEFcoarse crystallizationspherulite refinementnucleating agentcooling rate

Die flow channel design affects extruded product shape and surface

The die needs optimized flow channels and temperature control

Molding Process extrusion dieflow channeltemperature control

Rear zone temperature deviating from the recommended value affects plasticization

Molding Process rear zone temperatureplasticizationtemperature control gradient

Improper multi-stage speed settings produce jetting, weld lines or surface defects

Multi-stage speed needs optimization according to the cavity structure

Molding Process multi-stage injectionspeed controljettingfilling

PVA water-soluble film dissolution rate mismatch

PVA water-soluble film dissolution rate is determined by alcoholysis degree and thickness

Molding Process PVA water-soluble filmdissolution ratealcoholysis degreefilm thicknessformulation adjustment

Insufficient strength of PVA water-soluble film

Molding Process PVA water-soluble filmtensile strengthalcoholysis degreefilm thicknessplasticizer

PVA hardness too low

Molding Process PVAlow hardnessrigid fillerplasticizercrystallization control

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