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Borealis Visico™ LE4421/LE4437 Scorch Retardant, Moisture-Crosslinking Polyethylene Compound for Low Voltage Installation

 

Subcategory: Polyethylene; Thermoplastic; LDPE

Material Notes:
Visico LE4421/LE4437 is a natural, moisture-induced crosslinking polyethylene compound that is designed for use as low voltage wire insulation and jacketing. The combination of a Visico base material, LE4421, and a tin catalyst masterbatch, LE4437 provides a highly scorch retardant compound with excellent thermal stability. LE4421/LE4437 contains a patented scorch retardant additive (SRA) that increases the processing window for a moisture crosslinking compound and minimizes the tendency for premature crosslinking in the extruder, head or die. LE4437 should be added to LE4421 directly in the extruder hopper by dry blending at a ratio of 5 parts suitable antioxidants, a metal passivator and a metal deactivator. Properly mixed, during the extrusion process, LE4421/LE4437 exhibits excellent thermal stability to oxidation.

LE4421/LE4437 is recommended for use as insulation for low voltage control cables and power cables up to 6 kV in rating.

Information provided by the Manufacturer.

Available Properties
  • Density
  • Melt Flow
  • Deformation
  • Tensile Strength @ Yield
  • Elongation at Yield
  • Electrical Resistivity
  • Dielectric Constant
  • Dielectric Strength
  • Dissipation Factor, Low Frequency
  • Middle Barrel Temperature
  • Front Barrel Temperature
  • Die Temperature
  • Head Temperature
  • Horizontal Flame Test
   
Property Data

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