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DOW™ Electrical & Telecommunications DHDA-7707 BK
| Category: | Polyolefin, Unspecified , Polyolefin |
| Manufacturer: | The Dow Chemical Company |
| Trademark: | DOW™ Electrical & Telecommunications |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | gOIPLY_DOW-Electrical-Telecommunications-DHDA-7707-BK.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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DHDA-7707 BK is a deformation resistant semiconductive material specifically designed for use as insulation shielding for crosslinkable polyethylene insulated power cable. In today's cable technology, DHDA-7707 BK also finds application as a thermoplastic conductor shield and as an overall jacket where superior thermal stress, crack resistance and toughness are valued properties. Other attractive properties include superior volume resistivity stability, and ease of processing. Specifications Cables with insulation shielding or jackets of DHDA-7707 BK prepared using sound commercial extrusion practice should meet the following specifications:
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| General Information | |
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| Agency Ratings |
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| Forms |
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| Processing Method |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Density | 1.12 | g/cm³ | ASTM D1505 |
| Environmental Stress-Cracking Resistance | ASTM D1693 | ||
| 10% Igepal, F20 | > 168 | hr | |
| 100% Igepal, F20 | > 168 | hr |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Modulus - Secant | 345 | MPa | Internal Method |
| Elastomers | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength (Yield) | 11.0 | MPa | ASTM D412 |
| Tensile Elongation (Break) | 250 | % | ASTM D412 |
| Aging | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Change in Tensile Strength (121°C, 168 hr) | -15 | % | ASTM D412 |
| Change in Ultimate Elongation (121°C, 168 hr) | -15 | % | ASTM D412 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Brittleness Temperature | -25.0 | °C | ASTM D746 |
| Heat Distortion (ICEA) - plaque | ASTM D2633 | ||
| 90°C | 0.0 | % | |
| 100°C | 0.0 | % | |
| 110°C | 1.0 | % | |
| 121°C | 6.0 | % | |
| 130°C | 25 | % |
| Electrical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Volume Resistivity | ASTM D991 | ||
| 23°C | 10 | ohms·cm | |
| 60°C | 20 | ohms·cm | |
| 90°C | 1.5E+2 | ohms·cm | |
| 110°C | 1.5E+2 | ohms·cm |
| Extrusion | Nominal Value | Unit | |
|---|---|---|---|
| Drying Temperature | 68.3 to 79.4 | °C | |
| Drying Time | 2.0 to 4.0 | hr | |
| Melt Temperature | 191 to 218 | °C |
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