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Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

1439 perguntas
Q
Fiber tensile strength lower than the standard value
A
Fiber strength needs to be addressed from orientation, crystallization, and formulation
Material Drying fiber strengthdraw ratiocrystallizationorientation
Q
Frequent fiber breakage during spinning
A
Spinning breakage requires stable temperature and drying
Material Drying spinning breakagetemperature stabilitydryingdraw ratio
Q
Uneven or non-compliant moisture content of PA products after moisture conditioning treatment
A
PA moisture conditioning needs to follow the standard process to ensure uniformity
Material Drying moisture conditioning treatmentmoisture contentPAenvironmental humidity
Q
Hydrolysis reaction of PA during processing or use
A
PA hydrolysis requires strict drying and temperature control
Material Drying hydrolysismoisture contentdryingPA
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
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
Obvious dimensional increase of PA products after moisture absorption
A
PA moisture absorption dimensional changes require moisture conditioning treatment and design reservation
Material Drying moisture absorptiondimensional changemoisture conditioningPA
Q
Necessity of POM drying
A
The high crystallization behavior of POM requires precise control of mold temperature and cooling.
Material Drying POMself-lubricatingcrystallization'2079851475616104452defects
Q
Dimensional accuracy retention of POM products
A
The long-term dimensional stability of POM is a requirement of precision machinery.
Material Drying POMdimensional stabilityannealingmoisture absorption
Q
Internal pores of POM injection molded products
A
POM pores are mainly related to gas generation and holding pressure.
Material Drying POMporeholding pressuredryingventing
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