المشاكل والحلول

إجابات عملية على التحديات الشائعة في مواد البلاستيك

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LDPE Film Width Deviation

Width stability = bubble stability + accurate deviation correction.

Extrusion & Post LDPE; film; width deviation; lay-flat width; deviation correction

LDPE Film Slip Agent Blooming

Blooming = excessive additive precipitation.

Extrusion & Post LDPE; film; blooming; slip agent; precipitation

Fast Pressure Differential Rise of LDPE Extrusion Filter Screen

Fast pressure differential rise = dual sources of gel + impurities.

Extrusion & Post LDPE; extrusion; filter screen; gel; regrind

LDPE Film Winding Edge Wandering

Edge wandering = joint action of tension + thin-thick edges.

Extrusion & Post LDPE; film; winding; edge wandering; tension

Burnt Material at LDPE Extrusion Die Head

Burnt material = dead-spot stagnation degradation.

Extrusion & Post LDPE; extrusion; burnt material; die head dead spot; degradation

Unstable Frost Line in LDPE Blown Film

The frost line is the thermometer of the blown film process.

Extrusion & Post LDPE; blown film; frost line; air ring; crystallization

Poor Printing Adhesion of LDPE Film

Printing adhesion = dyne value + aging.

Extrusion & Post LDPE; film; printing; corona; dyne value

LDPE '2079851475616104452 Mold Sticking

Soft material demolding = draft angle + polishing + ejection area.

Extrusion & Post LDPE; '2079851475616104452; mold sticking; draft angle; ejection

LDPE Extrusion Coating Pinholes

Pinhole = check three: film rupture + substrate contamination + thin layer.

Extrusion & Post LDPE; extrusion coating; pinhole; coating; substrate

LDPE Extrusion Coating Neck-in

Extrusion & Post LDPE; extrusion coating; neck-in; Neck-in; air gap

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