Visico™ LE4421M / Visico™LE4431M

About
Visico LE4421M / Visico LE4431M is a two-part silane crosslinkable insulation system, specially designed for insulation applications. Applications Visico LE4421M / Visico LE4431M is intended for insulation of XLPE medium voltage cables with rated voltages up to 36 kV. Specifications Visico LE4421M / Visico LE4431M in combination meets the applicable requirements as below when processed using sound extrusion and testing procedure: IEC 60502-2 Cenelec HD620 S2 The standards referred to above is a selection and is not complete coverage of all applicable standards. Contact your Borealis representative for additional information. Special Features Visico LE4421M / Visico LE4431M is a ready-to-use two part system. It provides the following advantages: Quick change-over for short length cables Long shelf life Longer production runs between cleaning stops Low odour during processing Very good surface finish&&

Product Description
SupplierBorealis AG
GenericPE
Material StatusCommercial: Active
FeaturesHigh impact resistance,High Heat Resistance,Heat Stabilized
AvailabilitysAfrica & Middle East ,North America,Latin America,Asia Pacific,Europe
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density0.923g/cm³ISO 1183
Melt Flow Rate
190℃,2.16kg1.0g/10minISO 1133
ESCR(Environmental Stress Cracking Resistance)
50 ℃, 10% non-ionic surfactant, F20> 96.0hrIEC 60811-4-1/B

MECHANICALNominal valueUnitTest method
Shore hardness
Shore D, 1 second52 ISO 868
tensile strength> 15.0MPaISO 527-2/250
Tensile strain
fracture> 300%ISO 527-2/250

THERMALNominal valueUnitTest method
Embrittlement temperature< -76.0ASTM D746
thermosetting IEC 60811-2-1
Elongation under load: 200 ℃60%IEC 60811-2-1
Permanent deformation: 200 ℃0.0%IEC 60811-2-1

Aging performanceNominal valueUnitTest method
Mechanical properties of air oven after aging
135 ℃, 240 hr, rate of change in tensile strength< -75%IEC 60811

Electrical performanceNominal valueUnitTest method
Volume resistivity> 1.0E+16ohms·cmIEC 60093
Dielectric strength> 22kV/mmIEC 60243-1
Dielectric constant
50 Hz< 2.30 IEC 60250
Dissipation factor
50 Hz< 5.0E-4 IEC 60250

Notes
1. Typical properties: these are not to be construed as specifications.
2. Mixture 95:5
3. Base Resin
4. 0.20 MPa
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