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- Dow ENDURANCE™ HFDA-0580 BK
Dow ENDURANCE™ HFDA-0580 BK
| Категория | TP, Crosslinkable Semiconductive Shielding Compound , TP, Unspecified |
| Производитель | The Dow Chemical Company |
| Торговая марка | Dow ENDURANCE™ |
| Порт | Китай Шанхайский порт |
| Торговые условия | FOB, CFR, CIF |
| Платежное средство | L/C, T/T, Western Union |
ieXzPM_Dow-ENDURANCE-HFDA-0580-BK.pdf  |
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| Контактная информация |  Служба поддержки клиентов Вичат |
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Описание материалов:
DOW ENDURANCE™ HFDA-0580 BK is a specially formulated semiconductive, vulcanizable compound designed for use as an extruded strand conductor shield and bonded insulation shield applications in medium voltage crosslinked polyethylene insulated cables.(1) DOW ENDURANCE™ HFDA-0580 BK has stable volume resistivity characteristics at elevated temperatures and is formulated with a polymer system that assists in obtaining minimum shrink back on aluminum conductors, especially solid conductors. DOW ENDURANCE™ HFDA-0580 BK is not recommended for use with bare copper conductors.
Specifications
DOW ENDURANCE™ HFDA-0580 BK is designed for use in power distribution cables. Cables with conductor and insulation shielding of DOW ENDURANCE™ HFDA-0580 BK, prepared using sound commercial fabrication practice, would be expected to meet the following specifications:
(1) DOW ENDURANCE™ HFDA-0580 BK is recommended for use in conjunction with DOW cross-linked polyethylene and tree-retardant cross-linked polyethylene compounds. For other polymer insulations such as EPR and EPDM's the user is cautioned to establish the utility of DOW ENDURANCE™ HFDA-0580 BK with each formulation.
Specifications
DOW ENDURANCE™ HFDA-0580 BK is designed for use in power distribution cables. Cables with conductor and insulation shielding of DOW ENDURANCE™ HFDA-0580 BK, prepared using sound commercial fabrication practice, would be expected to meet the following specifications:
- ANSI/ICEA: S-94-649, S-97-682, S-93-639 / NEMA WC74
- AEIC: CS8
- IEC: 60502
(1) DOW ENDURANCE™ HFDA-0580 BK is recommended for use in conjunction with DOW cross-linked polyethylene and tree-retardant cross-linked polyethylene compounds. For other polymer insulations such as EPR and EPDM's the user is cautioned to establish the utility of DOW ENDURANCE™ HFDA-0580 BK with each formulation.
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| Физический | Номинальное значение | Единица измерения | Метод испытания |
|---|---|---|---|
| Удельный вес | 1.12 | g/cm³ | ASTM D792 |
| Экологическое сопротивление растрескиванию (100% Igepal, F0) | > 504 | hr | ASTM D1693 |
| Механические | Номинальное значение | Единица измерения | Метод испытания |
|---|---|---|---|
| Прочность на растяжение | 16.5 | MPa | ASTM D638 |
| Удлинение при растяжении (Break) | 260 | % | ASTM D638 |
| Старение | Номинальное значение | Единица измерения | Метод испытания |
|---|---|---|---|
| Прочность на растяжение- 1 неделя (150°C) | 98 | % | ASTM D638 |
| Коэффициент удлинения- 1 неделя (150°C) | 90 | % | ASTM D638 |
| Тепловой | Номинальное значение | Единица измерения | Метод испытания |
|---|---|---|---|
| Температура ломкости | -40.0 | °C | ASTM D746 |
| Электрический | Номинальное значение | Единица измерения | Метод испытания |
|---|---|---|---|
| Сопротивление громкости | ASTM D991 | ||
| 23°C | 8.0 | ohms·cm | ASTM D991 |
| 90°C | 15 | ohms·cm | ASTM D991 |
| 130°C | 12 | ohms·cm | ASTM D991 |
| Дополнительная информация |
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| Nominal property values above represent tests on molded, stress-relieved slabs. Cure times were 15 minutes at 175°C.Storage The environment or conditions of storage greatly influences the recommended storage time. Storage should be in accordance with good manufacturing practices. If proper warehousing and storage temperatures [dry conditions, between 50°F and 86°F (10°C and 30°C) in temperature] are utilized, this product may be stored by the customer for up to one year. It is recommended that the practice of using the product on a first-in / first-out basis be established. Storage under extreme conditions may affect the quality, processing, or performance of the product. |
| Экструзия | Номинальное значение | Единица измерения | |
|---|---|---|---|
| Температура сушки | 60.0 | °C | |
| Время сушки | < 6.0 | hr | |
| Температура расплава | 121 - 140 | °C |
| Инструкции по экструзии |
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| DOW ENDURANCE™ HFDA-0580 BK provides excellent surface finish and outstanding output rates over a broad range of conditions. For optimum results, use melt extrusion temperatures in the suggested range of 250 to 285°F (121 to 140°C) to avoid pre-cure or scorch. Extruder barrel settings of 110°C (230°F) are suggested as a starting point while learning to process DOW ENDURANCE™ HFDA-0580 BK. Specific machine settings will depend on the extruder design and must be established through conventional practices. Dehumidified hopper drying at 140°F (60°C) for up to 6 hours may be employed to remove moisture prior to extrusion. DOW ENDURANCE™ HFDA-0580 BK can be extruded directly over aluminum conductors, but with copper conductors the outer strand layer should be tinned first. |
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|---|---|---|
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