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Problema y solución

Respuestas prácticas a los desafíos comunes de los materiales plásticos

2239 preguntas
Q
LLDPE Film Thickness Deviation (TD)
A
TD deviation goes back to the die lip and air ring.
Extrusion & Post LLDPE;film;thickness deviation;TD;die lip
Q
LLDPE Film Thickness Deviation (MD)
A
For MD fluctuation check extrusion stability and filter screens.
Extrusion & Post LLDPE;film;thickness deviation;MD;filter screen
Q
LLDPE Extrusion Motor Load Too High
A
High load = high viscosity nature; raise temperature, reduce speed, change the screw.
Extrusion & Post LLDPE;extrusion;motor load;torque;screw
Q
LLDPE Blown Film Poor Plasticization (Unmelted Particles)
A
LLDPE has the highest requirements for screw mixing, and ordinary screws are not enough.
Extrusion & Post LLDPE;blown film;unmelted particles;plasticization;barrier screw
Q
LLDPE Blown Film Bubble Instability
A
LLDPE film bubble instability is the melt strength shortcoming, and blending can improve it.
Extrusion & Post LLDPE;blown film;bubble instability;melt strength;blending
Q
LLDPE Blown Film Melt Fracture
A
For melt fracture, first reduce shear, then raise temperature.
Extrusion & Post LLDPE;blown film;melt fracture;die lip gap;shear
Q
LLDPE Blown Film Sharkskin
A
LLDPE sharkskin = high viscosity meeting high shear, and PPA is the standard solution.
Extrusion & Post LLDPE;blown film;sharkskin;melt fracture;PPA
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