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
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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:
  • AEIC: CS8-00
  • ICEA: S-94-649
  • ICEA: S-97-682
General Information
Agency Ratings
  • AEIC CS8-00
  • ICEA S-94-649
  • ICEA S-97-682
Forms
  • Pellets
Processing Method
  • Extrusion
  • Wire & Cable Extrusion
PhysicalNominal ValueUnitTest Method
Density 1.12g/cm³ASTM D1505
Environmental Stress-Cracking Resistance ASTM D1693
    10% Igepal, F20 > 168hr
    100% Igepal, F20 > 168hr
MechanicalNominal ValueUnitTest Method
Tensile Modulus - Secant 345MPaInternal Method
ElastomersNominal ValueUnitTest Method
Tensile Strength (Yield)11.0MPaASTM D412
Tensile Elongation (Break)250%ASTM D412
AgingNominal ValueUnitTest Method
Change in Tensile Strength (121°C, 168 hr)-15%ASTM D412
Change in Ultimate Elongation (121°C, 168 hr)-15%ASTM D412
ThermalNominal ValueUnitTest Method
Brittleness Temperature -25.0°CASTM 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%
ElectricalNominal ValueUnitTest Method
Volume Resistivity ASTM D991
    23°C 10ohms·cm
    60°C 20ohms·cm
    90°C 1.5E+2ohms·cm
    110°C 1.5E+2ohms·cm
ExtrusionNominal ValueUnit
Drying Temperature 68.3 to 79.4°C
Drying Time 2.0 to 4.0hr
Melt Temperature 191 to 218°C
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