Borealis Visico™/Visico™ LE4421M/LE4431M Polyethylene

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Borealis Visico™/Visico™ LE4421M/LE4431M Polyethylene (discontinued **)
Categories:	Polymer; Thermoplastic; Polyethylene (PE)
Material Notes:	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 these applicable requirements when processed using sound extrusion and testing procedure: ASTM D 1248 Type I, Class A, Category 4; IEC 60502; HD 603 S1; HD 604 S1; and HD 620 S1. Information provided by Borealis AG
Key Words:	XLPE
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Physical Properties	Original Value	Comments

Density	0.923 g/cc	mixture 95:5; ISO 1183/ISO 1872-2
ESCR 10% Igepal®	>= 96 hour @Temperature 50.0 °C	F20; IEC 60811-4-1/B
Melt Flow	1.0 g/10 min @Load 2.16 kg, Temperature 190 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Hardness, Shore D	52	1s; ISO 868
Tensile Strength at Break	<= 11.25 MPa	after aging (240h, 135°C); IEC 60811-1-2
	>= 15.0 MPa	250mm/min; ISO 527
Elongation at Break	>= 300 %	250mm/min; ISO 527
Tensile Set	0.00 % @Temperature 200 °C	Permanent Deformation at 0.2 MPa after 60% elongation under load; IEC 60811-2-1

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 1.00e+6 ohm-cm	IEC 60093
Dielectric Constant	2.3 @Frequency 50000 Hz	IEC 60250
Dielectric Strength	>= 22.0 kV/mm	IEC 60243
Dissipation Factor	0.00050 @Frequency 50000 Hz	IEC 60250

Thermal Properties	Original Value	Comments
Brittleness Temperature	<= -76.0 °C	ASTM D746

Processing Properties	Original Value	Comments
Shelf Life	18.0 Month

**
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PBOREA603 / 108862

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