Problem & Solution

Practical answers to common plastic material challenges

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Q

LLDPE residence management

A

Manage LLDPE residence by the 30-minute rule; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future

Processing Machinery LLDPEresidencegelshutdown

Q

LLDPE startup procedure

A

When restarting after a shutdown, discharge residual material first; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future

Processing Machinery LLDPEstartuppurgegel

Q

LLDPE winter water temperature

A

Adjust air temperature as seasons change; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future

Processing Machinery LLDPEwinterair temperaturefrost line

Q

LLDPE mold temperature uniformity

A

Warpage is controlled by cooling uniformity; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future.

Injection Molding LLDPE mold temperature uniformity warpage water channels

Q

LLDPE mold temperature management

A

LLDPE low mold temperature route; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future.

Injection Molding LLDPE mold temperature cycle mold sticking

Q

LLDPE frost line management

A

Frost line stability is a sign of LLDPE film consistency; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future.

Extrusion & Post LLDPE frost line air ring thickness

Q

LLDPE die gap

A

LLDPE die gap must be larger than LDPE; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future.

Extrusion & Post LLDPE die gap shear bubble

Q

LLDPE barrel temperature

A

The LLDPE temperature gradient ensures uniform plasticization; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future.

Extrusion & Post LLDPE barrel temperature gradient calibration

Q

LLDPE temperature lower limit

A

LLDPE temperature lower limit per 195℃ to ensure plasticization; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future.

Processing Machinery LLDPE temperature lower limit plasticization gel particles

Q

LLDPE melt temperature range

A

LLDPE melt upper limit 260℃; blown film prefers medium-low temperature; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future.

Extrusion & Post LLDPE melt temperature gel yellowing

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