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Problem & Solution

Practical answers to common plastic material challenges

11636 questions
Q
Excessive shrinkage of linear low-density polyethylene extruded products
Q
Linear low-density polyethylene PE raw material has a wide temperature window, making process parameter optimization difficult
A
PE temperature window optimization needs to be advanced from two aspects: systematic experiments and experience accumulation.
Processing Machinery temperature optimizationPE gradeDOEprocess parameterstemperature database
Q
Frequent screen change/short screen life of linear low-density polyethylene extruder
Q
Poor printability of linear low-density polyethylene film
Q
Longitudinal retraction rate of linear low-density polyethylene pipes exceeding standard
Q
Insufficient heat seal strength of linear low-density polyethylene film
A
Insufficient heat seal strength is caused by improper temperature, pressure or time settings; heat seal process parameters need to be optimized.
Material Analysis heat seal strengthheat seal temperatureheat seal pressurefilm thicknessheat seal material
Q
Unstable output/surging in the linear low-density polyethylene extrusion process
A
Unstable output is caused by unstable solid conveying; barrel temperature and the feeding system need to be optimized.
Extrusion & Post unstable outputsurgingsolid conveyinghopper bridgingscrew speed
Q
Dimensional fluctuation of linear low-density polyethylene extruded products
A
Dimensional fluctuation is caused by unstable extrusion or haul-off; all process parameters need to be systematically stabilized.
Extrusion & Post dimensional fluctuationscrew speedhaul-off speedtemperature stabilityuniform feeding
Q
Non-glossy surface of linear low-density polyethylene extruded products
Q
Improper production environment control during linear low-density polyethylene linear low-density polyethylene processing
A
The production environment is an important factor affecting processing quality; a complete environmental control system needs to be established.
Material Drying environmental controlworkshop temperaturehumiditycooling water temperatureprocess stability
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