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المشاكل والحلول

إجابات عملية على التحديات الشائعة في مواد البلاستيك

11636 سؤال
Q
Low Weld Line Strength in PU '2079851475616104452
Q
Material Sticking to Sizing Sleeve in PU Pipe Extrusion
A
Sizing sleeve sticking is caused by elastomer adhesion characteristics; polishing and lubricating water are key
Extrusion & Post PU pipesizing sleeve stickingpolishinglubricating waterelastomer adhesion
Q
Rough Inner Wall of PU Extruded Pipe
Q
PU Film Blocking, Difficult Delayering
Q
Longitudinal Stripes on PU Extruded Film
Q
Bending Deformation of PU Extruded Profiles
A
Profile bending is caused by uneven cooling and uneven flow velocity; homogenization and alignment are the solution keys
Extrusion & Post PU extrusionbending deformationuniform coolinguniform flow velocitysizing sleeve
Q
Severe Flash in PU '2079851475616104452
Q
Excessive Heat Shrinkage of PU Film
A
Film heat shrinkage is caused by orientation freezing; reducing draw ratio and annealing are key
Extrusion & Post PU filmheat shrinkageorientation releaseannealingbiaxial stretching
Q
Poor Thickness Uniformity of PU Extruded Film
Q
Unstable Dimensions in PU Extrusion
A
Extrusion dimensional stability depends on feeding precision, temperature control and haul-off synchronization
Extrusion & Post PU extrusiondimensional stabilityfeeding controltemperature PIDhaul-off synchronization
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