| About |
|---|
| HFDB-4201 NT is an unfilled, crosslinkable, low density polyethylene insulation compound designed for medium voltage power cable insulation applications. HFDB-4201 NT has been designed to have a low level of additive bloom for a long storage life, low dusting and an enhanced degree of scorch retardance. HFDB-4201 NT is recommended for the insulation of power distribution cables. Specifications: HFDB-4201 NT is designed for use in power distribution cables. Cables insulated with HFDB-4201 NT, using sound commercial manufacturing practice, would be expected to meet the latest editions of the following specifications and regulations: ANSI/ICEA*: S-94-649, S-97-682, S-93-639/NEMA WC74 AEIC* CS8 UL 1072 CENELEC HD 620 S2 IEC 60502 GB/T 12706 BSI BS 6622, 7870-4 * Applicable to USA manufactured product only.&& |
| Product Description | |
|---|---|
| Supplier | DOW |
| Generic | XLPE |
| Material Status | Commercial: Active |
| Availabilitys | Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.920 | g/cm³ | ASTM D792 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | 20.0 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 500 | % | ASTM D638 |
| Aging performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Change in Tensile Properties （7 days，275ºF/135ºC） | % | ASTM D638 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| thermosetting | |||
| Under load: 200 ℃ | < 100 | % | |
| Elongation without load: 200 ℃ | < 10 | % |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | |||
| 23℃ | > 1.0E+15 | ohms·cm | ASTM D257 |
| Dielectric strength | |||
| 3.18 mm | 30 | kV/mm | |
| 3.18 mm | 23 | kV/mm | |
| 3.18 mm | > 39 | kV/mm | |
| Dielectric constant | |||
| 23℃ | 2.30 | ASTM D150 | |
| Dissipation factor | |||
| 23℃ | 3.0E-4 | ASTM D150 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Process Conditions | |||
|---|---|---|---|
| Squeeze description | Nominal value | Unit | Test method |
| Extrusion | Nominal value | Unit | Test method |
| Melt temperature | 116 to 138 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 23°C |
| 3. Method A (Short-Time) |
| 4. Method B (Step-by-Step) |
| 5. Method C (Slow Rate-of-Rise) |
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