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Problem & Solution

Practical answers to common plastic material challenges

11636 questions
Q
Gel particles in EAA extruded film
A
Gel particles are caused by insufficient melting; raising the temperature and mixing are the key
Extrusion & Post EAA film gel particle melting temperature mixing section high molecular weight component
Q
Transverse corrugations in EAA extruded film
A
Transverse corrugations are caused by haul-off vibration and roller eccentricity; equipment overhaul and stable control are the key
Extrusion & Post EAA film transverse corrugation haul-off vibration cooling roller eccentricity pressure stabilizing device
Q
Frequent screen clogging in EAA extrusion
A
Screen clogging is caused by impurities and improper configuration; raw material control and stepped screens are the key
Extrusion & Post EAA extrusion screen clogging gel particle stepped screen automatic screen changing
Q
Silver streaks caused by moisture during EAA processing
A
Silver streaks are caused by moisture vaporization and stretching; drying and venting are the main countermeasures
Material Drying EAA injection silver streak moisture drying venting back pressure
Q
Cold slug marks in EAA '2079851475616104452
A
Cold slug marks are caused by solidified residual material in the nozzle; raising the nozzle temperature and cold slug well design are the key
Injection Molding EAA injection cold slug mark nozzle temperature cold slug well injection pressure
Q
Wrinkling during winding of EAA extruded film
A
Film wrinkling is caused by tension fluctuations and uneven thickness; automatic tension control and homogenization are the key
Extrusion & Post EAA film winding wrinkle tension control thickness uniformity guide roller parallelism
Q
Flow marks in EAA '2079851475616104452
A
Q
Shrinkage marks in EAA '2079851475616104452
Q
Performance decay of EAA after repeated processing
A
Performance decay after multiple processing is caused by thermo-mechanical degradation; limiting recycled material and supplementing antioxidants are the key
Production & Quality EAA recycling performance decay antioxidant supplementation thermal degradation shear degradation
Q
Insufficient adhesion between EAA and aluminum foil
A
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