المشاكل والحلول

إجابات عملية على التحديات الشائعة في مواد البلاستيك

MS Material Cognition Confused with SMMA

Molding Process MS;SMMA;PMMA;cognition;naming;process

LLDPE pipe application

Molding Process LLDPE;pipe;low pressure;ESCR;PE-RT

LLDPE rotomolding application

Molding Process LLDPE;rotomolding;35-mesh;bubbles;warpage

LLDPE film water cooling ring marks

Ring marks = periodic uneven cooling.

Molding Process LLDPE; film; ring marks; cooling; air ring

LLDPE film shrink film uneven shrinkage

Uneven shrinkage = uneven orientation.

Molding Process LLDPE; shrink film; uneven shrinkage; orientation; air ring

LLDPE film gel particles - startup black specks

Startup black specks = shutdown management.

Molding Process LLDPE; film; black specks; startup; carbonization

LLDPE film slitting burrs

Burrs = knife and tension.

Molding Process LLDPE; film; slitting; burrs; tension

LLDPE film corona adhesion problem

Adhesion = dyne value management.

Molding Process LLDPE; film; corona; dyne value; slip agent

LLDPE film haze

Haze = surface + crystallization; mLLDPE is the upgrade path.

Molding Process LLDPE; film; haze; transparency; metallocene

LLDPE film heat sealing problem

For heat sealing, first check the grade's melting point and comonomer.

Molding Process LLDPE; film; heat sealing; hot tack strength; comonomer

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