Dow ENDURANCE™ HFDA-0581 BK

About
DOW ENDURANCE™ HFDA-0581 BK is a specially formulated semiconductive, vulcanizable compound designed for use as an extruded conductor shield and bonded insulation shield applications in power cables.(1) DOW ENDURANCE ™ HFDA-0581 BK has stable volume resistivity characteristics at elevated temperatures and is formulated with a polymer system that has demonstrated compatibility with copper and aluminum conductors. DOW ENDURANCE™ HFDA-0581 BK offers outstanding extrusion properties with low melt pressures and low temperature generation that result in outstanding scorch resistance under a wide processing window. (1) DOW ENDURANCE™ HFDA-0581 BK is recommended for use in conjunction with DOW cross-linked polyethylene and tree-retardant cross-linked polyethylene compound. For other polymer insulations as well as EPR and EPDM the user is cautioned to establish the utility of DOW ENDURANCE™ HFDA-0581 BK with each formulation. Applications: DOW ENDURANCE™ HFDA-0581 BK has been designed for semiconductive applications in power distribution and transmission cables for cables rated up to 150 kV. It can be used as inner and outer semiconductive layer for bonded cable applications and as inner semiconductive layer for strippable cable constructions. Contact your Dow representative for further recommendations. Specifications: DOW ENDURANCE™ HFDA-0581 BK is designed for use in power distribution and transmission cables. Power cables with conductor and insulation shielding made of DOW ENDURANCE™ HFDA-0581 BK, prepared using sound, commercial fabrication practice, would be expected to meet the following cable specification(s): IEC: 60502-2 and 60840 HD: 620 S2 and 632 S2 BS: 6622 DIN: VDE 0273 and 0263 Edf: HN-33-S-23 and HN-33-S-52 AEIC: CS8, CS9 ICEA: S-94-649, S-97-682, S-113-684, S-66-524 (NEMA WC7), S-108-720 GB/T 12706, GB/T 11017&&

Product Description
SupplierDOW
Generic热塑性聚酯
Material StatusCommercial: Active
AvailabilitysNorth America,Latin America

Technical Data
PHYSICALNominal valueUnitTest method
Density1.11g/cm³ASTM D792
ESCR(Environmental Stress Cracking Resistance)
100% non-ionic detergent, F0> 504hrASTM D1693

MECHANICALNominal valueUnitTest method
tensile strength16.5MPaASTM D638
Tensile strain
fracture200%ASTM D638

Aging performanceNominal valueUnitTest method
Tensile strength retention rate
1 week,150℃98%ASTM D638
Elongation retention rate
1 week,150℃95%ASTM D638

THERMALNominal valueUnitTest method
Embrittlement temperature-40.0ASTM D746

Electrical performanceNominal valueUnitTest method
Volume resistivity ASTM D991
23℃8.0ohms·cmASTM D991
90 ℃15ohms·cmASTM D991
130 ℃12ohms·cmASTM D991

Process Conditions
ExtrusionNominal valueUnitTest method
Drying temperature60°C
Drying time< 6.0hr
Melt temperature115 to 140°C

Notes
1. Typical properties: these are not to be construed as specifications.
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