| About |
|---|
| DOW ENDURANCE™ HFDB-0801 BK EC is a vulcanizable semiconductive compound based on a polyethylene copolymer and is designed for conductor shield and bonded insulation shield applications in crosslinked polyethylene insulated medium and high voltage cables.(1) DOW ENDURANCE™ HFDB-0801 BK EC has improved processability and demonstrated compatibility with copper and aluminum conductors. DOW ENDURANCE™ HFDB-0801 BK EC was specifically developed utilizing a special acetylene carbon black to provide a super-smooth surface yielding a more perfect interface between the extruded shield and the insulation. As a result, significantly improved cable performance can be expected. DOW ENDURANCE™ HFDB-0801 BK EC is formulated with a higher temperature peroxide. Thus, DOW ENDURANCE™ HFDB-0801 BK EC is less subject to pre-cure or scorch within the processing extruder and die. Specifications DOW ENDURANCE™ HFDB-0801 BK EC is designed for use in power distribution cables. Cables with conductor and insulation shielding of DOW ENDURANCE™ HFDB-0801 BK EC, prepared using sound commercial fabrication practice, would be expected to meet the following specifications: AEIC: CS7, CS8 IEC: 60502, 60840, 62067 ICEA: S-108-720, S-94-649; S-97-682; S-93-639 (NEMA WC 74), DIN: VDE 0273&& |
| Product Description | |
|---|---|
| Supplier | DOW |
| Generic | PE copolymerization |
| Material Status | Commercial: Active |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| elastic body | Nominal value | Unit | Test method |
| Tensile strain | |||
| fracture | 300 | % | ASTM D412 |
| Aging performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile strength retention rate | |||
| 1 week，150℃ | 90 | % | ASTM D638 |
| Elongation retention rate | |||
| 1 week，150℃ | 90 | % | ASTM D412 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Embrittlement temperature | -40.0 | ℃ | ASTM D746 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | ASTM D991 | ||
| 23℃ | 20 | ohms·cm | ASTM D991 |
| 90 ℃ | 75 | ohms·cm | ASTM D991 |
| 130 ℃ | 1.1E+2 | ohms·cm | ASTM D991 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s D | 50 | ASTM D2240 | |
| Tensile modulus | |||
| 1% secant | 165 | MPa | ASTM D638 |
| tensile strength | 14.1 | MPa | ASTM D638 |
| PHYSICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Density | 1.05 | g/cm³ | ASTM D792 |
| Apparent viscosity of melt | ASTM D3835 | ||
| 125℃，180 sec^-1 | 1900 | Pa·s | ASTM D3835 |
| 125℃，360 sec^-1 | 1200 | Pa·s | ASTM D3835 |
| 125℃，900 sec^-1 | 650 | Pa·s | ASTM D3835 |
| 125℃，1800 sec^-1 | 420 | Pa·s | ASTM D3835 |
| Process Conditions | |||
|---|---|---|---|
| Extrusion | Nominal value | Unit | Test method |
| Drying temperature | 60 to 70 | °C | |
| Drying time | < 6.0 | hr | |
| Melt temperature | 121 to 140 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 0.20 in/min |
| 3. 20 in/min |
| 4. Göttfert Capillary Rheometer, D=1 mm, L=20D |
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