Features and Benefits
• High temperature resistance (up to 260°C / 500°F)
• Superior electrical properties
• High chemical resistance
• Food Grade compliant under FDA 21CFR 177.1550
Application
• Electrical applications
• Capacitor films
• Harness for electrical wiring
• Spacers for transformers
| Property | Test Method | Data Range | Typical Value |
|---|---|---|---|
| Physical Properties | |||
| Density, g/cc | ASTM-D792 | 2.15 – 2.17 | 2.16 |
| Tensile Strength (MPa / psi) @ 0.002" thick | ASTM-D882 | 40 – 52 (5,861 – 7,574) | 46 (6,727) |
| Elongation (%) @ 0.002" | ASTM-D882 | 338 – 417 | 390 |
| Dissipation Factor @ 1kHz, 0.002" | ASTM-D150 | - | 0.00025 |
| Dielectric Constant @ 1kHz, 0.002" | ASTM-D150 | - | 3.7 |
| Capacitance (Farad) @ 1kHz, 0.002" | ASTM-D150 | - | 293 |
| Dielectric Strength (V/mil) @ 0.002" | ASTM-D149 | 2,233 – 3,066 | 2,598 |
| Maximum Operating Temperature | - | - | 260°C (500°F) |
| Specification | Metric | Value |
|---|---|---|
| Product Dimensions | ||
| Thickness | 0.025 – 1.575 mm | 0.001 – 0.062 in |
| Maximum Width | 6.35 – 279.4 mm | 0.25 – 11 in |
| Core Diameter | 76 mm | 3 in |
| Maximum Roll O.D. | 355 mm | 14 in |
Storage & Handling
PTFE has a memory effect that causes unsintered tape to recover to its original shape. Expanded PTFE tapes may retract to their original density. Store in a cool, clean, and dry environment, ideally under +19°C at all times.

Discover More
Expanded PTFE Low Density Film
Combines excellent chemical resistance, thermal stability, and hydrophobic properties with high air permeability.
Unsintered Films
Unsintered ePTFE films provide heat resistance, chemical stability and reliable insulation for cable wrapping applications.
PTFE Skived Film
PTFE skived film offers excellent chemical resistance, high temperature stability and outstanding electrical insulation.
Ultra-thin Coaxial Cable
Ultra-thin coaxial cable engineered for compact, high-frequency applications – delivering stable signal transmission, excellent shielding, and flexibility.
Ultra-fine PTFE High-Temperature Wire
Ultra-fine PTFE high-temperature wires offering exceptional heat resistance, insulation and flexibility.
Teflon PTFE Wire
Telfon PTFE wire designed for high-heat industrial, automotive and chemical environments.
High-performance, low dielectric constant cables for data, heating and aviation applications.
Polytech Technology Fluoroplastic’s expert team can provide the right solution for your requirements.

Contact
+44 7565 104054
info@polynet-tech.co.uk
Office
71-75 Shelton Street, Covent Garden, London, WC2H 9JQ
Copyright © 2026 Polynet Technology ®