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Problem & Lösung

Praktische Antworten auf häufige Herausforderungen mit Kunststoffmaterialien

11636 Fragen
Q
Weather resistance of modified polyamide (general-purpose nylon) not up to standard
A
Weather resistance needs to be addressed from UV absorbers and antioxidants
Material Analysis weather resistanceultravioletantioxidantyellowing
Q
Glass fiber exposure (floating fiber) on the surface of glass fiber reinforced polyamide (general-purpose nylon) products
A
Glass fiber PA floating fiber needs to be addressed from injection speed and mold temperature
Injection Molding floating fiberglass fiberinjection speedcoupling agent
Q
Hydrolysis reaction of PA during processing or use
A
PA hydrolysis requires strict drying and temperature control
Material Drying hydrolysismoisture contentdryingPA
Q
Unsatisfactory toughening effect of modified polyamide (general-purpose nylon)
Q
The mechanical properties of PA materials differ greatly before and after moisture absorption, which needs to be considered in design
A
PA mechanical properties need a clear dry state/wet state benchmark
Material Drying PA mechanicsmoisture absorptiondry statewet stateperformance change
Q
Uneven or non-compliant crystallinity of PA products
Q
PA moisture absorption causes continuous dimensional changes during storage, requiring environmental control
A
PA storage requires humidity control or moisture conditioning before use
Material Drying storage dimensionsmoisture absorptionenvironmental humidityPA
Q
Severe degradation of PA in the barrel during processing
A
PA high-temperature degradation requires strict temperature control and reduced residence
Processing Machinery high-temperature degradationtemperature controlresidence timePA
Q
Obvious dimensional increase of PA products after moisture absorption
A
Q
POM cooling rate selection
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