Problem & Lösung

Praktische Antworten auf häufige Herausforderungen mit Kunststoffmaterialien

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Product dimensional accuracy difficult to control

Molds & Tooling dimensional accuracyshrinkage ratemold temperatureholding pressuretolerance control

Pitting on the mold cavity

Molds & Tooling mold corrosionpittingS136PVD coatingstainless steel

PEI rapidly re-absorbs moisture after drying

Material Drying re-moisture absorptiondrying hoppersealingworkshop dehumidificationonline feeding

Product stress cracking

Molds & Tooling stress crackingannealingmold temperaturestress concentrationsharp corners

High-viscosity melt mold filling difficulty

Molds & Tooling filling difficultymelt viscosityMFRmelt temperaturemold temperature

Product aging yellowing and discoloration

Processing Machinery yellowingthermo-oxidationchromophoric groupsresidence timeantioxidant

Product dense silver streaks/bubbles

The strong hygroscopicity of PEI (1.25%) is the main cause of silver streaks and bubbles

Material Drying silver streaksbubblesdryingmoisture contentmelt temperature controlback pressure

PEEK processing comprehensive problem - weld line improvement

Processing Machinery PEEKweld line improvementprocessing qualityprocess optimizationequipment management

PEEK processing comprehensive problem - post-crystallization treatment

Processing Machinery PEEKpost-crystallization treatmentprocessing qualityprocess optimizationequipment management

PEEK processing comprehensive problem - equipment temperature resistance

Processing Machinery PEEKequipment temperature resistanceprocessing qualityprocess optimizationequipment management

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