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Master Bond adhesives
Borealis Visico™/ Ambicat™ LE4423 /LE4479 Polyethylene, Silane Crosslinkable Insulation Compound
Categories: Polymer; Thermoplastic; Polyethylene (PE)
Material Notes: Visico" LE4423 / Ambicat" LE4479 is a silane crosslinkable natural compound system designed for insulation of low voltage energy cables. Visico LE4423 is a low density polyethylene, copolymerized with vinyl silane. Ambicat LE4479 is an ambient crosslinking catalyst masterbatch specially designed to be used with Visico base resins to give reduced radial shrinkage in cables. The system is highly active and crosslinks quickly at ambient conditions, in sauna or in hot water. Cable insulation with a proper mixture of Visico LE4423 (95 parts) and Ambicat LE4479 exhibits excellent thermooxidative stability. The combination is suitable for both copper and aluminum conductors. If the insulation is designed to meet the thermo-oxidative ageing demand required by IEC 60502 at 150°C in contact with copper, the addition of 9 parts Ambicat LE4479 to Visico LE4423 is recommended.

Applications: Visico"LE4423 / Ambicat"LE4479 is intended for following applications: Insulation of low voltage energy cables, range up to 6 kV

Specifications: Visico"LE4423 / Ambicat"LE4479 is expected to meet the applicable requirements included in the below mentioned standards provided it is processed using sound material handling and processing practices as well as appropriate testing procedures. ASTM D1248 Type I, Class A, Category 4; HD 604 S1; EN 50290-2-29; IEC 60502-1; HD 603 S1

Typical characteristics: Visico"LE4423 / Ambicat"LE4479 can be described with following typical characteristics:

  • Excellent processing properties
  • No drying prior to extrusion
  • Low scorch allowing long runs and more frequent tooling changes
  • Excellent surface finish
  • Environmentally friendly (free from heavy metals)
  • Reduced radial shrinkage
  • Less smell; more consistent quality (no volatiles)
  • Excellent storage stability
  • Very good curing speed
The addition of metal soaps and basic (high pH) components, like some fillers, stearates and UV-stabilizers, will deactivate the catalyst and is not suitable together with Ambicat. To prevent deactivation of the catalyst during coloring, Ambicat compatible color masterbatches are needed. Please contact your Borealis representatives for additional information

Information provided by Borealis AG
Vendors:
Available Properties
  • Density, ISO 1183-1
  • Melt Flow, ISO 1133
  • Storage Temperature
  • Tensile Strength, IEC 60811-501, 250 mm/min
  • Tensile Strength, IEC 60811-401, After ageing with Cu-conductor
  • Tensile Strength, IEC 60811-401, After ageing
  • Elongation at Break, IEC 60811-507, Hot set test - Permanent deformation (200 °C, 0.20 MPa)
  • Elongation at Break, IEC 60811-507, Hot set test - Elongation under load (200 °C, 0.20 MPa)
  • Elongation at Break, IEC 60811-501, 250 mm/min
  • Elongation at Break, IEC 60811-401, After ageing
  • Elongation at Break, IEC 60811-401, After ageing with Cu-conductor
  • Dielectric Constant, IEC 62631-2-1
  • Zone 1
  • Zone 2
  • Zone 3
  • Zone 4
  • Die Temperature
  • Melt Temperature
  • Shelf Life
  
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Plastic

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