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Problem & Solution

Practical answers to common plastic material challenges

11636 questions
Q
Thermal aging performance of low density polyethylene PPR pipes not up to standard
Q
Bubbles/pores on the surface of low density polyethylene extruded products
Q
Melt flow rate mismatch of raw material for low density polyethylene extrusion
A
MFR mismatch needs to be solved by selecting appropriate grades and adjusting temperature parameters.
Extrusion & Post melt flow rategrade selectionextrusion gradeprocess adjustmentbatch testing
Q
Insufficient rigidity of low density polyethylene injection products
Q
Core shift of low density polyethylene injection mold causing uneven wall thickness
A
Q
Uneven wall thickness of low density polyethylene extruded pipes
A
Uneven wall thickness is caused by uneven die gap or uneven temperature; it needs to be solved from mold accuracy and temperature uniformity.
Extrusion & Post uneven wall thicknessdie concentricitytemperature uniformityhaul-off stabilitysizing sleeve
Q
Cooling water channel blockage of low density polyethylene injection mold
Q
Low weld strength of low density polyethylene injection products
Q
Improper processing temperature window selection for low density polyethylene low density polyethylene
A
Temperature window selection is the foundation of processing; it needs to be reasonably set according to material characteristics and practical operation experience.
Processing Machinery processing temperaturetemperature windowplasticizing qualitymaterial degradationtemperature calibration
Q
Poor thermal stability of low density polyethylene raw material causing degradation during processing
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