Dow Endurance DHDA-7708 BK

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DOW ENDURANCE DHDA-7708 BK is a thermoplastic semiconductive compound specifically designed for jacketing over medium, high, and extra-high voltage power cables. It combines the excellent physical properties and low moisture vapor transmission normally associated with Dow insulating jacket materials with the conductivity of thermoplastic semiconductive insulation shielding compounds. In medium voltage cable applications, a semiconductive jacket provides cable endurance and prolongs cable life by reducing neutral-to-ground impulse voltage. The semiconductive jacket enables on-reel cable diagnostic analysis in high and extra-high voltage applications.

Compared to conventional thermoplastic semiconductive materials, DOW ENDURANCE DHDA-7708 BK offers:

• Improved environmental stress-crack resistance
• Improved low-temperature properties
• Improved thermomechanical properties
• Reduced adhesion to strippable insulation shields
• Improved cut-through and abrasion resistance
• Reduced moisture vapor transmission
  Details are shown in Figures 1 to 4

Specifications
Cables jacketed with DOW ENDURANCE DHDA-7708 BK, prepared using sound commercial fabrication practice, would be expected to meet the following specifications:

• AEIC: CS8, CS9
• ICEA: S-94-649 Type 1, S-108-720 Type 1
• IEC: 60502, 60840, 62067

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