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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.
  • N arrow 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
Backing thickness/Total thickness
[mil]
0.984/2.087 1.97/3.15 0.984/2.087 1.97/3.15
Standard length [m]
[Core Diameter(mm)]
30[35Φ]/50[75Φ]
Colors Transparent White,Yellow, Red, Green, Blue, Black
Peeling strength
[oz/in]
27 34 26 36
Tensile strength
[oz/in]
480 942 480 942
Peeling strength
[N/19mm]
5.6 7.0 5.2 7.7
Tensile strength
N/19m]
115 183 89 204
Elongation [%] 110 130 110 130
Breakdown voltage [kv] 5.5 8.0 7.0 11.0
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
Backing thickness/Total thickness
[mil]
0.984/2.087 1.97/3.15 0.984/2.087 1.97/3.15
Standard length [m]
[Core Diameter(mm)]
30[35Φ]/50[75Φ]
Color Transparent White,Yellow, Red, Green, Blue, Black
Peeling strength
[oz/in]
31 41 31 41
Tensile strength
[oz/in]
480 942 480 942
Elongation [%] 110 130 110 130
Breakdown voltage [kv] 5.5 8.0 7.0 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
Backing thickness/Total thickness
[mil]
0.984/2.087 1.97/3.15 0.984/3.15
Standard length [m]
[Core Diameter (mm)]
30[35Φ]/50[75Φ]
Color Transparent White, Yellow, Red, Green, Blue, Black
Peeling strength
[oz/in]
26 34 26
Tensile strength
[oz/in]
481 942 481
Elongation[%] 110 130 110
Breakdown voltage [kv] 5.5 8.0 7.0
Electrolytic corrosion factor 1.0
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
Backing thickness/Total thickness
[mil]
0.984/2.36 1.97/3.35 0.984/2.36 1.97/3.35
Standard length [m]
[Core Diameter (mm)]
20[35Φ]/50[75Φ]
Color Transparent Yellow
Peeling strength
[oz/in]
58 70 58 70
Tensile strength
[oz/in]
480 942 480 942
Elongation[%] 110 130 110 130
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

Customer Support Center

Business Hours (EST) 8:00 a.m.-5:30 p.m.(Except for Sat, Sun, and Holidays)

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