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Yaygın plastik malzeme zorluklarına pratik yanıtlar

Makalelere Göz At →
1343 soru
Q
CEF processing temperature fluctuation
A
Temperature fluctuation is caused by improper temperature control system; PID adjustment and heating ring replacement are the key
Material Analysis CEFtemperature fluctuationPID adjustmentheating ringthermocouple
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Q
CEF tensile strength insufficient
A
Insufficient tensile strength is caused by molecular weight and poor interface; selecting high MW grades is the key
Material Analysis CEFtensile strengthmolecular weightcoupling agentorientation control
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Q
CEF hardness too high
A
High hardness is caused by crystallization and fillers; adjusting cooling and fillers is the key
Material Analysis CEFhardness too highcrystallinityfiller amountplasticizer
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Q
CEF elongation at break low
A
Low elongation at break is caused by low molecular weight and orientation; selecting high MW and reducing orientation are the key
Material Analysis CEFelongation at breakmolecular weightorientation controlcrosslinking degree
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Q
CEF thermal aging fast
A
Thermal aging is caused by thermal oxidation; improving the antioxidant system is the key
Material Analysis CEFthermal agingthermal oxidationantioxidanthigh molecular weight
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Q
CEF flame retardant effect not up to standard
Q
CEF UV aging fast
A
Fast UV aging is caused by photo-oxidation; UV absorber and HALS are the key
Material Analysis CEFUV agingUV absorberHALSfree radical capture
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Q
CEF shrinkage rate unstable
A
Unstable shrinkage rate is caused by batch differences and temperature fluctuations; raw materials and temperature control are the key
Material Analysis CEFshrinkage ratebatch differencetemperature control stabilitycrystallization consistency
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Q
CEF weather resistance poor
A
Poor weather resistance is caused by photo-oxidation; UV+HALS+antioxidant triple protection is the key
Material Analysis CEFweather resistanceUV absorberHALSphoto-oxidation
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Q
CEF product dimensional change during long-term storage
A
Dimensional change is caused by physical aging, annealing treatment and micro-crosslinking are measures to stabilize dimensions
Material Analysis CEF dimensional stabilityphysical agingannealingsecondary crystallizationmicro-crosslinking
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