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Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

11636 perguntas
Q
Substandard Heat Aging Performance of High-Density Polyethylene PPR Pipes
Q
Bubbles/Pores on the Surface of High-Density Polyethylene Extruded Products
Q
Melt Flow Rate Mismatch of Raw Material for High-Density 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 testing
Q
Insufficient Rigidity of High-Density Polyethylene Injection Molded Products
Q
Uneven Wall Thickness Caused by Core Shift in High-Density Polyethylene Injection Molds
A
Core shift is caused by insufficient rigidity or uneven force, and needs to be solved from core design, gate layout, and injection parameters.
Injection Molding core shiftuneven wall thicknesscore rigiditygate symmetryinjection pressure
Q
Uneven Wall Thickness of High-Density Polyethylene Extruded Pipes
A
Uneven wall thickness is caused by uneven die gap or uneven temperature, and needs to be solved from mold precision and temperature uniformity.
Extrusion & Post uneven wall thicknessdie concentricityuniform temperaturestable haul-offsizing sleeve
Q
Blockage of Cooling Water Channels in High-Density Polyethylene Injection Molds
A
Q
Low Weld Strength of High-Density Polyethylene Injection Molded Products
Q
Improper Selection of the Processing Temperature Window for High-Density Polyethylene High-Density Polyethylene
A
The selection of the temperature window is the basis of processing, and needs to be reasonably set according to material characteristics and actual operating experience.
Processing Machinery processing temperaturetemperature windowplasticization qualitymaterial degradationtemperature calibration
Q
Poor Thermal Stability of High-Density Polyethylene Raw Material Causing Degradation During Processing
ChemAI