Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

LDPE Blown Film Spiral Instability

A

For spiral instability the formulation route is the first choice; high molecular weight plus branched structure is the molecular basis of film bubble stability; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post LDPE;blown film;spiral instability;melt strength;molecular weight

Q

LDPE Film Wet Marks

A

The radical cure for LDPE film wet marks lies in the cooling rate; roll temperature, speed, and die lip temperature are three parameters linked to lower the temperature; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post LDPE;cast film;wet marks;cooling rate;roll temperature

Q

LDPE Paper-Plastic Lamination

A

Lamination delamination relies on temperature, pressure, and pretreatment; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future

Extrusion & Post LDPEpaper-plastic laminationdelaminationbonding

Q

LDPE Toy Application

A

LDPE is a preferred material for soft toys; the low-temperature boundary and safety compliance are two red lines; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post LDPE;toy;flexibility;low temperature;safety

Q

LDPE Stretch Wrap Film

A

Stretch wrap film is fine work of formulation design; the blending ratio and self-adhesive layer determine the use performance; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post LDPE;stretch wrap film;stretching;self-adhesion;blending

Q

LDPE Film Corona Treatment

A

Corona treatment is the admission ticket for LDPE printing; the 38-dyne bottom line plus immediate printing prevents decay and failure; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Extrusion & Post LDPE;corona;38 dynes;printing;adhesion

Q

LDPE Film Winding

A

Anti-blocking in winding relies on tension and slip agent; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future

Extrusion & Post LDPEwindingblockingtension

Q

LDPE Haul-off Stability

A

Thickness stability relies on haul-off closed loop; 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.

Extrusion & Post LDPEhaul-offclosed loopthickness measurement

Q

LDPE Thermocouple Calibration

A

Multi-line consistency relies on unified temperature control metrology; 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.

Extrusion & Post LDPEthermocouplecalibrationconsistency

Q

LDPE Casting Chill Roll

A

Cast film roll attachment is controlled by roll temperature and air knife; 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.

Extrusion & Post LDPEcastingchill rollair knife

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