Borealis HE1123 High Density Polyethylene

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Borealis HE1123 High Density Polyethylene (discontinued **)
Categories:	Polymer; Thermoplastic; Polyethylene (PE); High Density (HDPE)
Material Notes:	HE1123 is a high density polyethylene compound intended for the insulation of radio frequency coaxial cables. HE1123 is designed to give the lowest possible cable attenuation by the selection of electrical clean feedstock and contains limited amount of selected additives. HE1123 is designed to be used as insulation for radio frequency coaxial cables having an extra high demand on low attenuation at high frequencies. By blending with a suitable stabilized LDPE component, such as LE1120, in an optimized ratio, prior to the extrusion, the lowest possible attenuation and good foaming properties can be achieved. Applications: HE1123 is designed to use as physically foamed insulation for radio frequency coaxial cables (50 Ohm). Former trade name for this product was Borcell™. Information provided by Borealis AG
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Physical Properties	Original Value	Comments

Density	0.963 g/cc	ISO 1872-2/ISO 1183
Melt Flow	8.0 g/10 min @Load 2.16 kg, Temperature 190 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Hardness, Shore D	64	1 second; ISO 868
Tensile Strength at Break	33.0 MPa	50mm/min; ISO 527-2
Elongation at Break	600 %	50mm/min; ISO 527-2

Electrical Properties	Original Value	Comments
Dielectric Constant	2.35 @Frequency 1e+6 Hz	IEC 60250
	2.35 @Frequency 1.80e+9 Hz	Borealis Method
Dissipation Factor	0.000050 @Frequency 1e+6 Hz	IEC 60250
	0.000060 @Frequency 1.80e+9 Hz	Borealis Method

Processing Properties	Original Value	Comments
Zone 1	150 °C
Zone 2	160 °C
Zone 3	180 °C
Zone 4	180 °C
Zone 5	180 °C
Die Temperature	185 °C
Head Temperature	185 °C

**
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PBOREA357 / 108617

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