Borealis Visico™ LE4423/LE4460/LE4432 Scorch Retardant, Moisture-Crosslinking Polyethylene Compound for Low Voltage Installation

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Borealis Visico™ LE4423/LE4460/LE4432 Scorch Retardant, Moisture-Crosslinking Polyethylene Compound for Low Voltage Installation
Categories:	Polymer; Thermoplastic; Polyethylene (PE); Low Density (LDPE); Low Density Polyethylene (LDPE), Wire/Cable Grade
Material Notes:	Visico LE4423/LE4460/LE4432 is a black, halogen-based flame retardant, moisture-induced crosslinking polyethylene compound that is designed for use as low wire insulation and jacketing. The combination of the Visico LE4423 base resin, along with the LE4460 brominated flame retardant masterbatch and the LE4432 tin catalyst masterbatch provides a highly scorch retardant compound with excellent thermal stability and good flame properties. LE4432/LE4460/LE4432 contains a patented scorch retardant additive (SRA) that increases the processing window for a moisture crosslinking compound and minimizes the tendency for premature crosslinking in the extruder, head or die. A finished compound that is composed of 70 parts LE4423 mixed with 20 parts LE4460 and 10 parts of LE4432 is recognized by Underwriters Laboratory as Visico Horizontal. LE4423/LE4460/LE4432 is recommended for use as insulation for low voltage control cables and power cables up to 6 kV in rating. Information provided by the Manufacturer.
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Physical Properties	Original Value	Comments

Density	0.923 g/cc	LE 4423; ASTM D792
	1.05 g/cc	LE 4432; ASTM D792
	2.00 g/cc	LE 4460; ASTM D792
Melt Flow	0.90 g/10 min	LE 4423; ASTM D1238

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	>= 2115 psi	Heat Aging (7 days at 121°C); ASTM D412
	2350 psi	ASTM D412
Elongation at Break	<= 50 %	Hot Creep Test (150°C, .2 MPa); ICEA T-28-562
	270 %	Heat Aging (7 days at 121°C); ASTM D412
	300 %	ASTM D412
Tensile Set	<= 5.0 %	Hot Creep Test (150°C,.2 MPa); ICE T-28-562

Electrical Properties	Original Value	Comments
Electrical Resistivity	1.00e+16 ohm-cm	ASTM D257
Dielectric Constant	2.3 @Frequency 60 Hz	ASTM D150
Dielectric Strength	>= 550 V/mil	ASTM D149
Dissipation Factor	0.00050 @Frequency 60 Hz	ASTM D150

Processing Properties	Original Value	Comments
Middle Barrel Temperature	>= 163 °C
Front Barrel Temperature	>= 146 °C
Die Temperature	>= 350 °F
Head Temperature	>= 177 °C

Descriptive Properties
Horizontal Flame Test	Pass	14AWG-30mil, UL 1581

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PBOREA200 / 27507

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