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DOW™ DGDK-6924 NT EXP1

DOW™ DGDK-6924 NT EXP1

DOW™ DGDK-6924 NT EXP1

HDPE

陶氏化学(Dow Chemical)

产品描述

DGDK-6924 NT EXP1 is a high density polyethylene compound designed for use in physical foaming processes where high expansion rates (40 - 70%) are required. This compound is designed to offer excellent high speed processability as given by low extrusion pressures and smooth insulation surface quality. Furthermore, since it is fully pre-compounded with all the necessary ingredients, DGDK-6924 NT EXP1 offers better dispersion of the nucleating agent allowing high expansion rates to be achieved with more consistent processability (capacitance and diameter). It is stabilized for long term cable performance in data cable applications.

Applications:
Typical applications include LAN and data center cables.

Specifications
DGDK-6924 NT EXP1 should meet the following material specifications:

  • ASTM D 1248 Class A, Type III, Category 3

  • ISO 1875-PE, KGHN, 45-D-045

    基本信息
    原厂资料
    物性表(英文)
    产品特性
    绝缘
    良好表面
    易成型
    可发泡
    法规认证
    ASTM D1248(电线电缆用途聚乙烯挤出料)
    成型方式
    线缆挤出
    发泡挤出
    技术参数
    物理性能 值/单位 测试标准 测试条件

    密度

    0.952 g/cm³ ISO 1183

    熔体质量流动速率(MFR)

    140℃/5.0 kg

    5.5 g/10 min ISO 1183
    机械性能 值/单位 测试标准 测试条件

    拉伸强度

    -

    21 Mpa IEC 60811-501
    Measured on extruded tape

    拉伸延伸率

    断裂(brk)

    1400 % IEC 60811-501
    Measured on extruded tape
    硬度性能 值/单位 测试标准 测试条件

    邵氏硬度 D

    65 D ISO 868
    1 sec
    热学性能 值/单位 测试标准 测试条件

    加工温度

    170~190 °C -
    Extrusion
    电学性能 值/单位 测试标准 测试条件

    介电常数(DK)

    1MHz

    2.3 - IEC 60250

    耗散因数(DF)

    50 Hz

    1 E-4 IEC 60250
    其他性能 值/单位 测试标准 测试条件

    氧化诱导期(OIT)

    50 Min ASTM D3895
    200°C

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