Super Strong, Glass Cloth Based Adhesive Tape for Heat-resistant Insulation No.188UL

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Glass-cloth adhesive tape offers superior strength and heat resistance.

With class H heat resistance and mechanical strength (UL-certified), No.188UL consists of glass cloth coated with pressure-sensitive silicone adhesive. In addition to holding and bundling of electrical wiring, No.188UL is also ideal as a heat-resistant masking tape.


  • Superior mechanical strength; 3 times stronger than cotton or acetate cloth.
  • Offers stable electrical properties even if heated to 180°C for an extended period of time.
  • UL-510FR certified.
  • Great dimension stability. Not affected by heat and humidity as much as other plastics.



Product No. Thickness [µm] Length [m] Color
Backing Total
No.188UL 130 180 33 White

Product No. Peeling strength [N/19mm] Tensile strength [N/19mm] Elongation [%] Breakdown voltag (kV) Electrolytic corrosion factor
No.188UL 6.7 600~620 5 3.5 0.96


  • *The above values are sample observed values, not the guaranteed performance.


  • Outer and interlaminar insulation for heat-resistant transformers.
  • Covering of exterior parts.
  • Outer insulation and bundling of coils.
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