Problema y solución

Respuestas prácticas a los desafíos comunes de los materiales plásticos

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Glass Fibre screw slipping

Screw slipping is caused by premature melting; cooling feed section is key

Extrusion & Post Glass Fibrescrew slippingfeed section temperaturepremature meltingflight deepening

Glass Fibre dimension changes greatly with temperature

Extrusion & Post Glass Fibredimensional temperature sensitivitythermal expansion coefficientrigid fillerannealing treatment

Glass Fibre hardness too high

Material Analysis Glass Fibrehigh hardnesscrystallinityfiller amountplasticizer

Glass Fibre wall thickness too thin

Thin wall is caused by insufficient injection; raising pressure and temperature are key

Injection Molding Glass Fibrethin wall thicknessinjection pressuremelt viscositymold temperature

Glass Fibre material changeover residue

Processing Machinery Glass Fibrematerial changeover residuepurging materialscrew disassemblydead corner cleaning

Glass Fibre surface stress whitening

Molding Process Glass Fibrestress whiteningorientation stressannealing treatmentstress concentration

Glass Fibre fast thermal aging

Thermal aging is caused by thermal oxidation; improving antioxidant system is key

Material Analysis Glass Fibrethermal agingthermal oxidationantioxidanthigh molecular weight

Glass Fibre insufficient mixing

Insufficient mixing is caused by improper screw design; increasing mixing section is key

Processing Machinery Glass Fibreinsufficient mixingscrew mixing sectionkneading blocksside feeding

Glass Fibre poor fatigue resistance

Molds & Tooling Glass Fibrefatigue resistancecrosslinking degreemolecular weightstress concentration

Glass Fibre insufficient toughness, brittle fracture

Material Analysis Glass Fibreinsufficient toughnessmolecular weightcrosslinking controlcrystallization refinement

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