Borealis Visico™/Ambicat™ LE4427/LE4476 Polyethylene Compound, Crosslinkable

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Borealis Visico™/Ambicat™ LE4427/LE4476 Polyethylene Compound, Crosslinkable (discontinued **)
Categories:	Polymer; Thermoplastic; Polyethylene (PE)
Material Notes:	Visico™ LE4427 / Ambicat™ LE4476 is a silane crosslinkable black compound designed for weather resistant covering/insulation of overhead and façade cables. The black base material Visico™ LE4427 in combination with the catalyst masterbatch Ambicat™ LE4476 will accelerate the moisture-induced crosslinking reaction. The system is highly active and crosslinks quickly at ambient conditions, in sauna or in hot water. When properly mixed, addition of 5 parts of Ambicat™ LE4476 to 95 parts of Visico™ LE4427 , insulation with excellent thermo-oxidative stability, also in contact with copper as well as aluminum, is achieved. Applications: Weather resistant covering/insulation of overhead and façade cables. Additives: Visico™ LE4427 / Ambicat™ LE4476 contains antioxidant, metal deactivator and a drying agent. Visico™ LE4427 contains a permanent scorch retardant additive, ensuring safe processing and enabling the use of a highly active crosslinking catalyst. Specifications: ANSI/ICEA S-70-547; ASTM D 1248 Type II, Class C, Category 4; HD 603 S1; HD 626 S1 (TIX-1, TIX-3, TIX-5, TIX-7, TIX8); NF C33-209 part 6-2 (Except messenger wire); NEMA WC 70; and NEMA WC 71. Information provided by Borealis AG
Key Words:	XLPE
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Physical Properties	Original Value	Comments

Density	0.935 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
Carbon Black Loading	2.5 %	ISO 6964
Melt Flow	1.0 g/10 min @Load 2.16 kg, Temperature 190 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	<= 10.5 MPa	after aging (6 weeks); IEC 60811-1-2
	<= 11.25 MPa	after aging (240h, 135°C); IEC 60811-1-2
	<= 12.75 MPa	after aging (3-6 weeks); IEC 60811-1-2
	>= 15.0 MPa	250mm/min; ISO 527
Elongation at Break	>= 300 %	250mm/min; ISO 527

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 1e+05	IEC 60093
Dielectric Constant	2.9 @Frequency 50000 Hz	IEC 60250
Dissipation Factor	0.0010 @Frequency 50000 Hz	IEC 60250

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

Processing Properties	Original Value	Comments
Zone 1	150 °C
Zone 2	170 °C
Zone 3	170 °C
Zone 4	170 °C
Die Temperature	170 °C
Shelf Life	15.0 Month

Descriptive Properties
Hot Set Test, %	30	200°C, 0.3 MPa;IEC 60811-2-1; Elongation under load

**
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PBOREA605 / 108864

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