by SpecialChem

Visico™ LE4421/LE4437

Technical Datasheet | Supplied by Borealis

Visico™ LE4421/LE4437 by Borealis is silane, moisture-crosslinkable polyethylene (XLPE) grade. Contains a stabilization package, an antioxidant, scorch retardant additive, metal deactivator, metal passivator and 2.5% carbon black. Visico LE4421 (base material) in combination with LE4437 (tin catalyst masterbatch) provides smooth glossy appearance, excellent increased processing window, thermo-oxidative-, UV- and weather stability. Designed for processing by PVC/PE extrusion. Visico™ LE4421/LE4437 is recommended for insulation of low voltage control- and power cables up to 6 kV.

Visico™ LE4421/LE4437 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Density

941 kg/m³

(At Masterbatch)

ASTM D792

Hot Set Test

< 50 %

(150°C, Elongation under load)

ICEA T-28-562

Hot Set Test

< 5 %

(150°C, Permanent deformation)

ICEA T-28-562

Extrusion Properties

Value & Unit

Test Condition

Test Method

Processing Temperature

146 °C

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Visico™ LE4421/LE4437

Visico™ LE4421/LE4437 Properties

Physical Properties

Visico™ LE4421/LE4437 Processing Guidelines

Extrusion Properties