Visico™ LE4423/Ambicat™ LE4472

About
Visico LE4423 / Ambicat LE4472 is a silane crosslinkable black compound designed for covering/insulation of overhead cables. The base material Visico LE4423 in combination with the catalyst masterbatch Ambicat LE4472 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 7 parts of Ambicat LE4472 to 93 parts of Visico LE4423 , insulation with excellent thermo-oxidative stability, also in contact with copper as will as aluminium, is achieved. The final product will contain nominal 2,5% of fine size carbon black ensuring excellent weatherability. Visico LE4423 / Ambicat LE4472 contains antioxidant, metal deactivator and a drying agent. Visico LE4423 contains a permanent scorch retardant additive, ensuring safe processing and enabling the use of highly active crosslinking catalyst. Visico LE4423 / Ambicat LE4472 in combination meets the applicable requirements as below when processed using sound extrusion and testing procedure: ANSI/ICEA S-70-547 ASTM D 1248 Type II, Class C, Category 4 HD 603 S1 HD 626 S1 (TIX-2, TIX-4, TIX-6, TIX-9) IEC 60502-1 NEMA WC 70 NEMA WC 71 The standards referred to above is a selection and is not complete coverage of all applicable standards. Contact your Borealis representative for additional information. The base material Visico LE4423 in combination with the catalyst masterbatch Ambicat LE4472 is a ready-made two-component system which crosslinks quickly at ambient conditions, in sauna or in hot water. Visico LE4423 is based upon a cost optimised low density polyethylene, copolymerised with vinyl silane.&&

About

Visico LE4423 / Ambicat LE4472 is a silane crosslinkable black compound designed for covering/insulation of overhead cables. The base material Visico LE4423 in combination with the catalyst masterbatch Ambicat LE4472 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 7 parts of Ambicat LE4472 to 93 parts of Visico LE4423 , insulation with excellent thermo-oxidative stability, also in contact with copper as will as aluminium, is achieved. The final product will contain nominal 2,5% of fine size carbon black ensuring excellent weatherability. Visico LE4423 / Ambicat LE4472 contains antioxidant, metal deactivator and a drying agent. Visico LE4423 contains a permanent scorch retardant additive, ensuring safe processing and enabling the use of highly active crosslinking catalyst. Visico LE4423 / Ambicat LE4472 in combination meets the applicable requirements as below when processed using sound extrusion and testing procedure: ANSI/ICEA S-70-547 ASTM D 1248 Type II, Class C, Category 4 HD 603 S1 HD 626 S1 (TIX-2, TIX-4, TIX-6, TIX-9) IEC 60502-1 NEMA WC 70 NEMA WC 71 The standards referred to above is a selection and is not complete coverage of all applicable standards. Contact your Borealis representative for additional information. The base material Visico LE4423 in combination with the catalyst masterbatch Ambicat LE4472 is a ready-made two-component system which crosslinks quickly at ambient conditions, in sauna or in hot water. Visico LE4423 is based upon a cost optimised low density polyethylene, copolymerised with vinyl silane.&&

Product Description
Supplier	Borealis AG
Generic	XLPE
Material Status	Commercial: Active
Features	Weather resistance is good,Excellent Processability,Good surface appearance,Crosslinked,Inoxidizability,Heat Stabilized,Fast Cure
Availabilitys	Africa & Middle East ,Asia Pacific,Europe

Technical Data
PHYSICAL	Nominal value	Unit	Test method
Density	0.933	g/cm³	ISO 1183
Melt Flow Rate
190℃，2.16kg	1.0	g/10min	ISO 1133
ESCR(Environmental Stress Cracking Resistance)
Condition B, 50 ℃, 10% non-ionic surfactant, F20	> 96.0	hr	IEC 60811-4-1/B

MECHANICAL	Nominal value	Unit	Test method
Shore hardness
Shore D, 1 second	52		ISO 868
tensile strength
yield	> 15.0	MPa	ISO 527-2/250
Tensile strain
fracture	> 300	%	ISO 527-2/250

THERMAL	Nominal value	Unit	Test method
Embrittlement temperature	< -76.0	℃	ASTM D746
thermosetting			IEC 60811-2-1
200℃	60	%	IEC 60811-2-1
200℃	0.0	%	IEC 60811-2-1

Aging performance	Nominal value	Unit	Test method
Change in Tensile Properties（240 hr，135℃）	< 25	%	IEC 60811-1-2

Electrical performance	Nominal value	Unit	Test method
Volume resistivity	> 1.0E+16	ohms·cm	IEC 60093
Dielectric strength	> 20	kV/mm	IEC 60243-1
Dielectric constant
50 Hz	< 2.50		IEC 60250
Dissipation factor
50 Hz	< 6.0E-4		IEC 60250

Supplementary information	Nominal value	Unit
cross-linking
700.0 µm	1.5	day
700.0 µm	< 15.0	min
1.80 mm	7.0	day
1.80 mm	1.00	hr

Process Conditions
Extrusion	Nominal value	Unit	Test method
Barrel 1 zone temperature	150	°C
Barrel 2 zone temperature	170	°C
Barrel 3 zone temperature	170	°C
Barrel 4 zone temperature	170	°C
Nozzle temperature	170	°C

Notes
1. Typical properties: these are not to be construed as specifications.
2. Mixture 93:7, ISO 1872-2
3. Elongation under load, 0.20 MPa
4. Permanent deformation, 0.20 MPa
5. In air 23°C, 50 % humidity
6. 90°C, Sauna or water bath
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