Problem & Lösung

Praktische Antworten auf häufige Herausforderungen mit Kunststoffmaterialien

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Q

Resin deterioration during long-term storage

A

Storage management affects raw material quality

Material Drying CPVC、storage

Q

Pellets absorb moisture and require full drying

A

CPVC drying cannot be ignored

Material Drying CPVC、drying

Q

Static Electricity Problem During CPE Dry Blending

A

Static electricity affects dry blending uniformity

Material Drying CPE static electricity

Q

TPU Hydrolysis Aging

A

Polyether-type TPU is a must for hot and humid environments; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems later

Material Drying TPU hydrolysis polyester polyether

Q

TPU Hardness Deviation

A

Hardness consistency relies on full-chain control; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems later

Material Drying TPU hardness deviation first article

Q

TPU Silver Streaks from Moisture

A

Ninety percent of TPU silver streaks are moisture problems; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems later

Material Drying TPU silver streaks moisture hydrolysis

Q

TPU First Article Verification

A

TPU first article must include moisture content; qualified appearance does not mean qualified material state; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Material Drying TPU; first article verification; moisture content; material change; impact

Q

TPU Color Masterbatch Dispersion

A

For TPU coloring, dry first then disperse; premixing and drying plus TPU carrier can prevent color streaks and color difference; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Material Drying TPU; color masterbatch; dispersion; premixing; drying

Q

TPU Regrind Use

A

TPU regrind management gives equal weight to ratio and drying; the 20% upper limit plus full drying ensures stable performance; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Material Drying TPU; regrind; 20%; drying; performance

Q

TPU Extrusion Degradation

A

TPU extrusion degradation management runs three lines in parallel: temperature, residence, and dead corners; aromatic grades are especially sensitive; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Material Drying TPU; extrusion; degradation; residence; dead corners

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Alle Themen 11636 Material Drying 1439 Injection Molding 1506 Molding Process 740 Molds & Tooling 1506 Processing Machinery 2025 Extrusion & Post 2239 Blow Molding 315 Thermoforming 141 Material Analysis 1343 Production & Quality 382