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Problem & Solution

Practical answers to common plastic material challenges

11636 questions
Q
Cross-linked polyethylene pipe longitudinal reversion rate exceeding standard
Q
Cross-linked polyethylene extruder screw design mismatch
A
Screw design needs to match material characteristics and product requirements, and a dedicated screw should be customized when necessary.
Processing Machinery screw designcompression ratiolength-to-diameter ratiomixing elementscrew matching
Q
Cross-linked polyethylene XLPE insufficient crosslinking degree
Q
Pre-crosslinking in cross-linked polyethylene XLPE extrusion process
Q
Defects caused by insufficient drying before cross-linked polyethylene cross-linked polyethylene processing
Q
Bubbles/pores on the surface of cross-linked polyethylene extruded products
Q
Melt flow rate mismatch of raw material for cross-linked polyethylene extrusion
A
MFR mismatch needs to be solved by selecting suitable grades and adjusting temperature parameters.
Extrusion & Post melt flow rategrade selectionextrusion gradeprocess adjustmentbatch detection
Q
Improper processing temperature window selection of cross-linked polyethylene cross-linked polyethylene
A
Temperature window selection is the basis of processing and needs to be set reasonably according to material characteristics and actual operating experience.
Processing Machinery processing temperaturetemperature windowplasticizing qualitymaterial degradationtemperature calibration
Q
Sharkskin appears on the surface of cross-linked polyethylene extruded products
Q
Cross-linked polyethylene XLPE product hot extension exceeding standard (Variant: strengthened measures)
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