Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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CEF hydrolysis aging

Material Drying CEFhydrolysis agingpolar groupanti-hydrolysis stabilizerwaterproof coating

Silver streaks caused by moisture in CEF processing

Material Drying CEF injectionsilver streakmoisture dryingventingback pressure

CEF '2079851475616104452 thick-wall bubbles

Material Drying CEF injectionbubblesholding pressurethick-wall productsmold venting

Extruded pipe outer diameter dimension unstable

Pipe outer diameter fluctuation requires stable process parameters

Material Drying pipe outer diameterhaul-off speedtemperature stability

Excessive regrind addition affects product quality and stability

Regrind requires ratio control and drying

Material Drying regrinddegradationmixingdrying

Extruded product outer surface rough and dull

Rough extrusion surface requires increasing temperature and improving the die lip

Material Drying extrusion roughnessdie liptemperaturecooling

Improper storage conditions cause raw material performance decline

Raw material storage requires humidity and temperature control

Material Drying raw material storagehumiditytemperatureshelf life

Melt breakage during extrusion

Extrusion breakage requires increasing temperature and ensuring continuous plasticization

Material Drying extrusion breakagemelt strengthtemperatureplasticization

Black or dark speck impurities appear on the surface or inside the product

Black specks need to be addressed from cleaning management and raw material purity

Material Drying black specksimpuritiescleaningraw material purity

PA hydrolysis and performance decline in hot water environment

PA hot water resistance requires selecting suitable grades and verification

Material Drying hot water resistancehydrolysisPA12long-term immersion

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