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Problem & Solution

Practical answers to common plastic material challenges

11636 questions
Q
Silver Streaks/Material Flowers Appearing on the Surface of Low-Density Polyethylene Injection Molded Products (Variant: Strengthened Measures)
Q
Sink Marks at Thick-Walled Parts of Low-Density Polyethylene Injection Molded Products (Variant: Strengthened Measures)
Q
Bottom Pinch-Off/Flash of High-Density Polyethylene Blow Molded Products
Q
Unstable Cooling Line Height of High-Density Polyethylene Film
Q
Uneven Cutting End Face of High-Density Polyethylene Pipes
Q
Gel Particles/Gel Appearing in High-Density Polyethylene Film
Q
Declining Cooling System Efficiency of High-Density Polyethylene Extruder
A
Declining cooling efficiency is caused by insufficient water volume or excessive water temperature, and the cooling system needs to be improved and the water temperature controlled.
Production & Quality cooling efficiencycooling water flowcooling water temperaturewater channel scalingcooling water tank
Q
Sizing Device Failure of High-Density Polyethylene Extruder
A
Sizing device failure needs to be solved from three aspects: vacuum system, cooling system, and mold precision.
Molding Process sizing devicevacuum degreesizing sleeve wearcooling watermold concentricity
Q
Unreasonable Die Head Flow Channel Design of High-Density Polyethylene Extruder
A
The die head flow channel design needs to ensure uniform melt distribution and no material retention, and the die head should be redesigned when necessary.
Production & Quality die head flow channeluniform flow speedlandflow channel dead corneruniform temperature
Q
Excessive Ovality of High-Density Polyethylene Pipes
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