Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Uneven Tightness of LDPE Film Rolls

Eighty percent of film roll problems come from the film's own thickness.

Extrusion & Post LDPE; film; film roll; tension taper; winding

LDPE Film Wrinkles

Extrusion & Post LDPE; film; wrinkle; alignment; collapsing frame; tension

Abnormal Coefficient of Friction of LDPE Film

COF relies on refined management of slip agent.

Extrusion & Post LDPE; film; coefficient of friction; slip agent; blooming

LDPE Film Blocking

Blocking = joint treatment of additive + tension + temperature.

Extrusion & Post LDPE; film; blocking; antiblock agent; winding tension

LDPE Film Thickness Deviation (TD)

For TD deviation, check die lip and air ring symmetry.

Extrusion & Post LDPE; film; thickness deviation; TD; air ring

LDPE Film Thickness Deviation (MD)

MD fluctuation is traced to extrusion and haul-off.

Extrusion & Post LDPE; film; thickness deviation; MD; haul-off

LDPE Film Gel (Fisheye)

Film is a magnifying glass of melt uniformity; plasticization must be overdone.

Extrusion & Post LDPE; blown film; gel; fisheye; plasticization

Unstable Bubble in LDPE Blown Film

Extrusion & Post LDPE; blown film; unstable bubble; melt strength; cooling; bubble stabilizer

LCP Melt Filter and Screen Changer Blockage

Extrusion & Post extrusion filter screen screen changer carbonization

Cracking of LCP Products in Post-Processing and Secondary Assembly

Extrusion & Post post-processing cracking assembly interference orientation direction

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