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Dow ENDURANCE™ HFDA-0693 BK
| Category: | TP, Unspecified , Strippable Semiconductive Insulation Shielding Compound |
| Manufacturer: | The Dow Chemical Company |
| Trademark: | Dow ENDURANCE™ |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | XDDCRL_Dow-ENDURANCE-HFDA-0693-BK.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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DOW ENDURANCE™ HFDA-0693 BK is a specially formulated semiconductive, vulcanizable compound designed for use in conventional extrusion practices as a strippable insulation shield for medium voltage power cable. HFDA-0693 BK was designed to have excellent processability, while having improved resistance to blocking during storage. HFDA-0693 BK is recommended for use over Dow crosslinked polyethylene compounds. This product provides a moderate strip force over a wide temperature range when used in conjunction with these insulation materials. Specifications DOW ENDURANCE™ HFDA-0693 BK is designed for use in power distribution cables. Cables with conductor and insulation shielding of DOW ENDURANCE™ HFDA-0693 BK, prepared using sound commercial fabrication practice, would be expected to meet the following specifications:
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| General Information | |
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| Uses |
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| Agency Ratings |
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| Forms |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Density | 1.16 | g/cm³ | ASTM D1505 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength (Break) | 11.7 | MPa | ASTM D638 |
| Tensile Elongation (Break) | 320 | % | ASTM D638 |
| Aging | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile strength retention- 1 week (136°C) | 95 | % | ASTM D638 |
| Elongation retention rate- 1 week (136°C) | 230 | % | ASTM D638 |
| Additional Information | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Cable Adhesion Force - Dry Cure 1(23°C) | 3.5 - 5.6 | kN/m | Internal method |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Brittleness Temperature | < -40.0 | °C | ASTM D746 |
| Electrical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Volume Resistivity | ASTM D991 | ||
| 23°C 2 | 1.0E+2 - 4.0E+2 | ohms·cm | ASTM D991 |
| 23°C 3 | 25 | ohms·cm | ASTM D991 |
| 90°C 4 | 1.0E+2 - 4.0E+2 | ohms·cm | ASTM D991 |
| 90°C 5 | 50 | ohms·cm | ASTM D991 |
| 110°C 6 | 1.0E+2 - 4.0E+2 | ohms·cm | ASTM D991 |
| 110°C 7 | 50 | ohms·cm | ASTM D991 |
| Additional Information | Nominal Value | Unit | Test Method |
|---|---|---|---|
| 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 75°F (10°C and 23°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. Storage at elevated temperatures should be avoided to prevent blocking. Pellets are readily friable should blocking be experienced. |
| Extrusion | Nominal Value | Unit | |
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| Melt Temperature | 115 - 125 | °C |
| Extrusion instructions |
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| DOW ENDURANCE™ HFDA-0693 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 235 to 255°F (115 to 125°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-0693 BK. Specific machine settings will depend on the extruder design and must be established through conventional practices. The curing temperature should be carefully controlled, and the maximum surface temperature in the CV tube should not exceed 527°F (275°C) for optimum results.DOW ENDURANCE™ HFDA-0693 BK can be handled in the same fashion as other vulcanizable polyolefin semiconductive materials. It is available in regular or UNICLEAN™ boxes and can be air-conveyed at transport temperatures of 75°F (24°C) or below. Do not use a heated dryer with HFDA-0693 BK as pellets may fuse. During shutdowns exceeding one hour, DOW ENDURANCE™ HFDA-0693 BK pellets should be removed from potentially warm hopper bins to avoid fusing. Extruder feed-throat cooling is recommended to improve feed efficiency. |
| Note Message | |
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| 1 . | Cable adhesion values are typical for dry cure at room temperature. Values will vary with cable size, insulation type, type of cure, temperature, speed of test, etc. |
| 2 . | on cables |
| 3 . | on plaques |
| 4 . | on cables |
| 5 . | on plaques |
| 6 . | on cables |
| 7 . | on plaques |
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