| About |
|---|
| Borlink LE4244EHV is a crosslinkable natural Superclean polyethylene compound, specially designed for insulation of energy cables. Applications Borlink LE4244EHV is intended for insulation of XLPE extra high voltage (EHV) cables with rated voltages above 220 kV. Specifications Borlink LE4244EHV meets the applicable requirements as below when processed using sound extrusion practices and testing procedures ANSI/ICEA 108-720 IEC 62067 AEIC CS9 Special Features Borlink LE4244EHV is a ready-to-use natural compound. The cleanliness and product consistency of Borlink LE4244EHV results in a Superclean insulation. Borlink LE4244EHV cleanliness level is assured through the Borealis quality control system. Borlink LE4244EHV has very low sagging properties and is specially designed for extrusion on horizontal lines and for cables with thick insulation walls extruded on CCV lines.&& |
| Product Description | |
|---|---|
| Supplier | Borealis AG |
| Generic | PE |
| Material Status | Commercial: Active |
| Features | Crosslinked |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.922 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 190℃，2.16kg | 0.80 | g/10min | ISO 1133 |
| Moisture | < 200 | ppm | Karl Fisher |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | > 17.0 | MPa | ISO 527-2/250 |
| Tensile strain | |||
| fracture | > 450 | % | ISO 527-2/250 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| thermosetting | IEC 60811-507 | ||
| Elongation under load: 200 ℃ | 75 | % | IEC 60811-507 |
| Permanent deformation: 200 ℃ | 5.0 | % | IEC 60811-507 |
| Aging performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Change in Tensile Strain at Break in Air（135℃，168 hr） | < 20 | % | IEC 60811-401 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | > 1.0E+16 | ohms·cm | IEC 60093 |
| Dielectric strength | > 40 | kV/mm | IEC 60243-1 |
| Dielectric constant | |||
| 50 Hz | 2.30 | IEC 60250 | |
| Dissipation factor | |||
| 50 Hz | 3.0E-4 | IEC 60250 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Gottfert Elastograph | 0.60 to 0.80 | N·m | ISO 6502 |
| Methanol Wash | < 1000 | ppm | Internal Method |
| Process Conditions | |||
|---|---|---|---|
| Extrusion | Nominal value | Unit | Test method |
| Melt temperature | 125 to 135 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 0.20 MPa |
| 3. 50 Hz |
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