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Problem & Solution

Practical answers to common plastic material challenges

2239 questions
Q
Excessive shrinkage of heat-resistant polyethylene extruded products
Q
Die head pressure fluctuation of heat-resistant polyethylene extruder
Q
Haul-off speed mismatch of heat-resistant polyethylene extruded products
A
Haul-off speed mismatch needs to be solved by precisely adjusting haul-off parameters and ensuring haul-off stability.
Extrusion & Post haul-off speedspeed matchinghaul-off slippageclamping forcehaul-off control
Q
Heat-resistant polyethylene pipe longitudinal reversion rate exceeding standard
Q
Unstable output/surging in heat-resistant polyethylene extrusion process
A
Unstable output is caused by unstable solids conveying, and the barrel temperature and feeding system need to be optimized.
Extrusion & Post unstable outputsurgingsolids conveyinghopper bridgingscrew rotation speed
Q
Dimensional fluctuation of heat-resistant polyethylene extruded products
A
Dimensional fluctuation is caused by unstable extrusion or haul-off, and each process parameter needs to be systematically stabilized.
Extrusion & Post dimensional fluctuationscrew rotation speedhaul-off speedtemperature stabilityuniform feeding
Q
Cyclic pressure fatigue failure of heat-resistant polyethylene PPR pipes
Q
Thermal aging performance of heat-resistant polyethylene PPR pipes not meeting standard
Q
Melt flow rate mismatch of raw material for heat-resistant 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
Uneven wall thickness of heat-resistant polyethylene extruded pipes
A
Uneven wall thickness is caused by uneven die gap or uneven temperature, and needs to be solved from mold accuracy and temperature uniformity.
Extrusion & Post uneven wall thicknessdie concentricitytemperature uniformityhaul-off stabilitysizing sleeve
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