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Sorun ve Çözüm

Yaygın plastik malzeme zorluklarına pratik yanıtlar

2239 soru
Q
Uneven coating on PET film
A
PET film coating uniformity depends on surface treatment quality and coating process control.
Extrusion & Post PETfilmcoatingsurface tensionwettability
Q
Low burst pressure of PET extruded pipes
A
PET pipe burst strength depends on wall thickness uniformity and material intrinsic viscosity.
Extrusion & Post PETpipeburst pressurewall thicknessweld line
Q
Longitudinal thickness fluctuation of PET film
A
Longitudinal thickness fluctuation of PET film originates from equipment stability.
Extrusion & Post PETfilmthickness fluctuationmetering pumpcasting drum
Q
Sharkskin on the surface of PET extruded pipes
A
PET pipe sharkskin is a typical manifestation of melt fracture.
Extrusion & Post PETpipesharkskinmelt fracturedie head temperature
Q
PET extruded cast film sticking to the roll
A
PET cast film roll sticking is a matching problem between surface characteristics and roll surface conditions.
Extrusion & Post PETcast filmroll stickingcooling rollsurface treatment
Q
Excessive thermal shrinkage rate of PET biaxially stretched film
A
PET film thermal shrinkage rate is dominated by the heat setting process.
Extrusion & Post PETfilmthermal shrinkageheat settingdraw ratio
Q
Poor transparency and haze in PET film
A
Q
Film breakage in PET biaxially stretched film
Q
Insufficient orientation degree of PET film
A
PET film orientation degree determines film strength; draw ratio and temperature are the core parameters.
Extrusion & Post PETorientation degreerefractive indexdraw ratiostretching temperature
Q
Dimensional changes of PET injection molded products at high temperature
A
The high-temperature dimensional stability of PET products depends on sufficient crystallinity.
Extrusion & Post PETdimensional changepost-crystallizationannealingmold temperature
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