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The rising demand for electricity has increased the need for an efficient high voltage (HV) system. This research investigates the capability of LLDPE/NR/SiO2 nanocomposite as a HV insulation material. A series of samples was fabricated using a twin-screw extruder followed by a hot press to prepared LLDPE/NR/SiO2 nanocomposite to test the effectiveness of the SiO2 with percentage addition of 0, 2, 4 and 6 wt%, respectively. The breakdown strength of the nanocomposite samples was evaluated by using the ASTM-D149 procedure, while the fire retardancy property was measured according to the Limiting Oxygen Index (LOI) test standard. As a result, the addition of SiO2 at 2wt% shows the highest value of BDV and LOI when compared to others. In addition, as the concentration of SiO2 increases, the value of BDV and LOI decreases due to aggregate formation.

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Breakdown Strength and Fire Retardancy Performance of LLDPE/NR/SiO2 Nanocomposite as High Voltage Insulation

  • 会议论文

  • 发表日期：

    2025年

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  • M. Michael,
  • M. Z. H. Makmud,
  • N. S. A. Badi,
  • Z. Jamain,
  • K. N. M. Amin,
  • H. A. Illias

摘要

The rising demand for electricity has increased the need for an efficient high voltage (HV) system. This research investigates the capability of LLDPE/NR/SiO2 nanocomposite as a HV insulation material. A series of samples was fabricated using a twin-screw extruder followed by a hot press to prepared LLDPE/NR/SiO2 nanocomposite to test the effectiveness of the SiO2 with percentage addition of 0, 2, 4 and 6 wt%, respectively. The breakdown strength of the nanocomposite samples was evaluated by using the ASTM-D149 procedure, while the fire retardancy property was measured according to the Limiting Oxygen Index (LOI) test standard. As a result, the addition of SiO2 at 2wt% shows the highest value of BDV and LOI when compared to others. In addition, as the concentration of SiO2 increases, the value of BDV and LOI decreases due to aggregate formation.