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Polyester-based Adhesive Tape for Electric Insulation No.31 Series

Used for outer/interlaminar insulation of transformers and coils.

Tape developed for outer/interlaminar insulation of transformers and coils. Nitto Denko has a wide lineup of backing thicknesses and adhesive types/colors; the tapes can be used for various applications.

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Features

  • Offers superior electrical insulation.
  • Offers superior dimension stability.
  • Offers superior heat resistance.
  • Narrow width processing is available.
  • Available in long lengths.
  • Good processability.

Structure

Properties

Product name Polyester adhesive tape
Product No. No.31B No.31C
Adhesive Acrylic
Backing thickness/Total thickness
[mm]
0.025/0.053 0.050/0.080 0.025/0.053 0.050/0.080
Standard length [m]
[Core Diameter(mm)]
50[75Φ]
Color Transparent White,Yellow, Red, Green, Blue, Black
Peeling strength
[N/19mm]
5.6 7.0 5.2 7.7
Tensile strength
[N/19mm]
115 183 89 204
Elongation [%] 115 139 118 123
Breakdown voltage [kV] 6.3 9.5 8.0 11.8
Electrolytic corrosion factor 1.00
Product name Polyester adhesive tape
Product No. No.31RH
Adhesive Acrylic
Backing thickness/Total thickness
[mm]
0.025/0.053 0.050/0.080 0.025/0.053 0.050/0.080
Standard length [m]
[Core Diameter(mm)]
50[75Φ]
Color Transparent White, Red, Green,
Blue, Black
Red, Blue
Peeling strength
[N/19mm]
6.8 9.3 6.8 9.3
Tensile strength
[N/19mm]
91 198 91 198
Elongation [%] 131 127 131 127
Breakdown voltage [kV] 6.3 8.0 7.6 11.0
Electrolytic corrosion factor 1.00
Product name Polyester adhesive tape
Product No. No.31D No.31E
Adhesive Rubber
Backing thickness/Total thickness
[mm]
0.025/0.053 0.050/0.080 0.025/0.053
Standard length [m]
[Core Diameter (mm)]
50[75Φ]
Color Transparent White, Yellow, Red,
 Blue, Black
Peeling strength
[N/19mm]
5.3 6.3 5.3
Tensile strength
[N/19mm]
109 185 94
Elongation[%] 117 132 127
Breakdown voltage [kV] 5.5 7.8 7.0
Electrolytic corrosion factor 1.00
Product name Thermosetting Polyester
Product No. No.315
Adhesive Thermosetting rubber
Backing thickness/Total thickness
[mm]
0.025/0.060 0.050/0.085 0.025/0.060 0.050/0.085
Standard length [m]
[Core Diameter (mm)]
50[75Φ]
Color Transparent Yellow
Peeling strength
[N/19mm]
10.6 14.8 10.6 14.8
Tensile strength
[N/19mm]
107 213 107 213
Elongation[%] 104 114 104 114
Breakdown voltage [kV] 5.5 8.0 7.0 11.0
Electrolytic corrosion factor 1.00

Applications

  • Electrical insulation of transformers and coils.

Contact Us

TEL +32-89-360111

Business Hours (WET) 8:00h-17:00h Except for Sat, Sun, and Holidays
Nitto is present in 14 countries in the EMEA region. Find your local contact details here.

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Contact Us

TEL +32-89-360111
Business Hours (WET) 8:00h-17:00h
Except for Sat, Sun, and Holidays

Nitto is present in 14 countries in the EMEA region. Find your local contact details here.

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