Problem & Solution

Practical answers to common plastic material challenges

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Q

LDPE Startup Procedure

A

When restarting after shutdown, purge residual material first; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; Incorporate this case into the defect archive as a troubleshooting reference for similar future problems.

Processing Machinery LDPEstartuppurgeyellow spot

Q

LDPE Winter Water Temperature

A

With seasonal changes, adjust air temperature to stabilize the frost line; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; Incorporate this case into the defect archive as a troubleshooting reference for similar future problems.

Processing Machinery LDPEwinterair temperaturefrost line

Q

LDPE Air Ring Cooling

A

Transverse thickness is controlled by air ring uniformity; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; Incorporate this case into the defect archive as a troubleshooting reference for similar future problems.

Processing Machinery LDPEair ringthicknessuniform air

Q

LDPE Frost Line Height

A

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

Processing Machinery LDPEfrost lineair ringthickness

Q

LDPE Barrel Temperature

A

A gentle LDPE temperature gradient ensures uniform plasticizing; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; Incorporate this case into the defect archive as a troubleshooting reference for similar future problems.

Processing Machinery LDPEbarrel temperaturegradientcalibration

Q

LDPE Temperature Lower Limit

A

The LDPE temperature lower limit ensures sufficient plasticizing; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; Incorporate this case into the defect archive as a troubleshooting reference for similar future problems.

Processing Machinery LDPEtemperature lower limitplasticizinggel particle

Q

LDPE Melt Temperature Range

A

LDPE melt upper limit is 240℃; over-temperature causes oxidation; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; Incorporate this case into the defect archive as a troubleshooting reference for similar future problems.

Processing Machinery LDPEmelt temperatureoxidationyellow spot

Q

LDPE Screw Versatility

A

LDPE is the friendliest to equipment; general configuration suffices, upgrade to a barrier screw for high requirements; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Processing Machinery LDPE; screw; barrier type; back pressure; plasticizing

Q

Insufficient LDPE Film ESCR

A

ESCR is a mandatory test item for medium-contact packaging; advancing material selection verification can avoid batch failure.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Processing Machinery LDPE; film; ESCR; stress cracking; medium; material selection

Q

LDPE Film Low-temperature Brittleness

A

Low-temperature applications require dedicated verification; formulation and thickness are the two elements of cold-resistant design.; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Processing Machinery LDPE; film; low temperature; brittle cracking; formulation; cold resistance

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