High – Temperature Flexible Electrical Cable
Associated Gaskets Techprene 155 flexible cable is a high-temperature electrical cable designed for reliable performance in demanding electrical and industrial applications. Featuring an extra-flexible tinned copper conductor contained in a halogen-free cross-linked polyolefin insulation, Techprene 155 provides excellent mechanical resistance and good resistance to UV exposure, ozone and chemical substances.
With a 450/750 VAC voltage rating and an operating temperature of up to 155°C, Techprene is particularly suitable for fixed and protected installations where reliable electrical insulation and temperature resistance are required.
Applications
Techprene 155 flexible cable is particularly suitable for wiring applications including:
- Lighting equipment
- Electric motors
- Control devices
- Electrical equipment
- Industrial wiring applications
- Fixed and protected installations
Key Features & Benefits
- 155°C temperature rating for general fixed-installation applications
- 450/750 VAC voltage rating
- Extra-flexible electrolytic tinned copper conductor
- Halogen-free cross-linked polyolefin insulation
- Low smoke emission
- Free from toxic and corrosive gases
- Excellent mechanical resistance
- Good resistance to UV exposure and ozone
- Good resistance to chemical substances
- Suitable for outdoor use when appropriately installed
- Available in a wide range of conductor sizes
Technical Specifications
| Property | Specification |
|---|---|
| Voltage Rating | 450/750 VAC |
| Test Voltage | 2,500 VAC |
| Operating Temperature | -40°C to +155°C (3,000 hours) |
| Motor Wiring Temperature | Up to 120°C for 20,000 hours |
| Peak Temperature | 170°C for short periods |
| Short-Circuit Temperature | 160°C |
| Bending Radius | ≥ 7 × D |
| Conductor | Flexible electrolytic tinned copper |
| Insulation | Halogen-free cross-linked polyolefin |
| Smoke Emission | Low |
| Halogen Content | Halogen-free |
| Conductor Sizes | 0.25 mm² – 150 mm² |
| Insulation Colour | Available according to customer requirements |
Cable Construction
Conductor: Extra-flexible electrolytic tinned copper conductor manufactured in accordance with IEC 60228.
Insulation: Halogen-free, cross-linked polyolefin insulation with low smoke emission and no toxic or corrosive gases.
Designed to provide reliable electrical protection while maintaining performance across a wide operating temperature range.
Temperature Performance
Techprene is designed for applications requiring increased temperature resistance.
For general fixed installations, the cable can operate from -40°C to +155°C for up to 3,000 hours. For electrical motor wiring applications, it is classified for operation at 120°C for 20,000 hours, in accordance with CEI EN 62114.
A peak temperature of 170°C is permitted for short periods only.
Available Sizing
| Conductor Size (mm²) | Conductor Stranding (N° × mm) | Electrical Resistance (Ω/km) | Insulation Diameter (mm) | Radial Thickness of Insulation (mm) |
|---|---|---|---|---|
| 0.25 | 8 × 0.193 | ≤ 80.2 | 1.7 ± 0.1 | ≥ 0.60 |
| 0.35 | 11 × 0.193 | ≤ 58.5 | 1.9 ± 0.1 | ≥ 0.60 |
| 0.50 | 16 × 0.193 | ≤ 40.1 | 2.1 ± 0.1 | ≥ 0.60 |
| 0.75 | 24 × 0.193 | ≤ 26.7 | 2.4 ± 0.1 | ≥ 0.60 |
| 1.0 | 32 × 0.193 | ≤ 20.0 | 2.5 ± 0.1 | ≥ 0.60 |
| 1.5 | 28 × 0.243 | ≤ 13.7 | 2.85 ± 0.1 | ≥ 0.70 |
| 2.5 | 48 × 0.243 | ≤ 8.21 | 3.6 ± 0.1 | ≥ 0.80 |
| 4.0 | 52 × 0.300 | ≤ 5.09 | 4.1 ± 0.1 | ≥ 0.80 |
| 6.0 | 80 × 0.300 | ≤ 3.39 | 4.85 ± 0.2 | ≥ 0.80 |
| 10 | 136 × 0.300 | ≤ 1.95 | 6.3 ± 0.2 | ≥ 1.0 |
| 16 | 210 × 0.300 | ≤ 1.24 | 7.2 ± 0.2 | ≥ 1.0 |
| 25 | 322 × 0.300 | ≤ 0.795 | 9.0 ± 0.2 | ≥ 1.2 |
| 35 | 455 × 0.300 | ≤ 0.565 | 10.2 ± 0.3 | ≥ 1.2 |
| 50 | 646 × 0.300 | ≤ 0.393 | 12.2 ± 0.3 | ≥ 1.4 |
| 70 | 912 × 0.300 | ≤ 0.277 | 14.0 ± 0.3 | ≥ 1.4 |
| 95 | 1235 × 0.300 | ≤ 0.210 | 16.3 ± 0.3 | ≥ 1.6 |
| 120 | 1520 × 0.300 | ≤ 0.164 | 18.5 ± 0.3 | ≥ 1.6 |
| 150 | 1938 × 0.300 | ≤ 0.132 | 20.5 ± 0.3 | ≥ 1.8 |
Installation Considerations
Techprene should be installed in accordance with the requirements of the intended application.
Avoid placing the cable in direct contact with or in close proximity to hot surfaces. The cable should also not be subjected to excessive pressure or mechanical stress when operating at its maximum temperature.
Standards & Compliance
Techprene is manufactured with reference to the following standards and requirements:
- IEC 60228 – Conductors of insulated cables
- EN 50525-1
- EN 50267-2-2
- EN 50267-2-1
- EN 60884-2
- CEI EN 62114 – Electrical motor wiring
- EU Low Voltage Directive 2014/35/EU
Why Choose Techprene?
Techprene provides a combination of high-temperature performance, flexibility, mechanical resistance and halogen-free insulation, making it suitable for electrical wiring applications where conventional cable insulation may not provide the required temperature performance.
Its flexible tinned copper conductor allows for easier handling and installation, while the cross-linked polyolefin insulation provides protection against heat, environmental exposure and chemical substances.
Contact Associated Gaskets for product enquiries, technical assistance and custom sizing requirements.


