Problem & Solution

Practical answers to common plastic material challenges

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Q

Metallocene linear low density polyethylene film poor printability

A

Poor printability is caused by low surface energy, requiring corona treatment to increase surface tension to improve ink adhesion.

Extrusion & Post printabilitysurface energycorona treatmentink adhesionsurface tension

Q

Metallocene linear low density polyethylene film cooling line height instability（Variant: Mass Production Scenario）

A

Cooling line instability is caused by fluctuations in cooling or extrusion conditions, requiring stabilization of air ring parameters and environmental conditions.Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post cooling linefrost lineair ring stabilityextrusion temperatureambient airflow

Q

Metallocene linear low density polyethylene film cooling line height instability（Variant: Color/Material Change Scenario）

A

Cooling line instability is caused by fluctuations in cooling or extrusion conditions, requiring stabilization of air ring parameters and environmental conditions.Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post cooling linefrost lineair ring stabilityextrusion temperatureambient airflow

Q

Metallocene linear low density polyethylene film cooling line height instability（Variant: Seasonal Change Scenario）

A

Cooling line instability is caused by fluctuations in cooling or extrusion conditions, requiring stabilization of air ring parameters and environmental conditions.Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post cooling linefrost lineair ring stabilityextrusion temperatureambient airflow

Q

Metallocene linear low density polyethylene film cooling line height instability（Variant: Startup Commissioning Scenario）

A

Cooling line instability is caused by fluctuations in cooling or extrusion conditions, requiring stabilization of air ring parameters and environmental conditions.Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post cooling linefrost lineair ring stabilityextrusion temperatureambient airflow

Q

Metallocene linear low density polyethylene film cooling line height instability（Variant: Strengthened Measures）

A

Cooling line instability is caused by fluctuations in cooling or extrusion conditions, requiring stabilization of air ring parameters and environmental conditions.Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post cooling linefrost lineair ring stabilityextrusion temperatureambient airflow

Q

Metallocene linear low density polyethylene MLLDPE high extrusion torque/high energy consumption

A

MLLDPE high energy consumption is caused by narrow molecular weight distribution and high melt viscosity, and needs to be solved by optimizing screw design, increasing temperature and adding processing aids.

Extrusion & Post MLLDPEscrew torquemolecular weight distributionprocessing aidextrusion energy consumption

Q

Metallocene linear low density polyethylene film gel particles/gel granules（Variant: Mass Production Scenario）

A

Gel particles are caused by insufficient plasticization or raw material quality problems, and need to be solved from temperature control and raw material quality.Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post gel particlesgelplasticizing temperaturescrew mixingfilter screen

Q

Metallocene linear low density polyethylene film gel particles/gel granules（Variant: Color/Material Change Scenario）

A

Gel particles are caused by insufficient plasticization or raw material quality problems, and need to be solved from temperature control and raw material quality.Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post gel particlesgelplasticizing temperaturescrew mixingfilter screen

Q

Metallocene linear low density polyethylene film gel particles/gel granules（Variant: Seasonal Change Scenario）

A

Gel particles are caused by insufficient plasticization or raw material quality problems, and need to be solved from temperature control and raw material quality.Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post gel particlesgelplasticizing temperaturescrew mixingfilter screen

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