Intertape® – Electrical adhesive tapes Intertape® 4427
Intertape® 4427 consists of a polyester film and fiber rope backing with thermosetting rubber adhesive.
Puncture resistant, absorbent polyester film / rope fibre laminated backing and aggressive rubber adhesive make this a low cost all-purpose, electrical insulating tape. Also a rubber thermosetting adhesive system gives the 4427 excellent solvent resistance.
Standards
UL-File-No.: E20780
CSA-File: LR94980
Delivery forms
- Width: from 2.5 mm in 0.1 mm increments
- Core diameter: 76 mm (3")
- Special widths on request
Color
Natural
Glue
Rubber thermosetting
Adhesive
One-sided
Storage
12 months at room temperature. Adhesive tapes should be stored in a cool, dry place at approx. 20 °C and 50 - 60 % relative humidity. The storage period should not exceed 12 months.
Technical data
| Property | Unit of measure | |
|---|---|---|
| Type/ Ordering information | Intertape® 4427 | |
| Standard colours | Natural | |
| Backing | Polyesterfilm + rope fiber | |
| Backing thickness | mm | 0.089 |
| Adhesive | Rubber thermosetting | |
| Total thickness | mm | 0.140 |
| Elongation at break | % | 2 |
| Insulation resistance | MΩ | 10^4 |
| Electrolyt. corrosion value | 1.0 Direct/A, 1 | |
| Flammability class | BU 3 | |
| Thermal class | 130 °C (B) | |
| Dielectic strength | kV | 4.5 |
| Tensile strength | N/cm | 70 |
| Adhesiveness / Adhesion to steel | N/cm | 6.6 |
| UL FILE NO. | E20780 |
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