Expanded PTFE Low Density Film

For cable insulation and wrapping, ideal for high-frequency, high-speed data transmission.

Features and Benefits

• Low Dielectric Constant & Low Dissipation Factor

• Excellent Mechanical Properties

• Lightweight Structure

• Outstanding Thermal Stability

Applications

• High-frequency communication cables

• Coaxial cables

• High-speed data transmission cables

• Aerospace and specialty electronic cables

Polynet Product Specifications
Property Test Method Value
Physical
Material - ePTFE
Density, g/cc ASTM-D792 0.4 to 1.4
Thickness (mm) ASTM-D374 0.05 -0.5mm
Tensile Strength, psi, (MPa) ASTM-D6040/882 @0.05mm ≥ 15 - 50 ≥
Elongation, % ASTM-D6040/882 @0.05mm 25 - 100
Dielectric Strength, V/mil ASTM-D149 @ 0.05 2350
Operational Temperature Range - -268°C / +260°C
Packing Specifications
Width (mm) - 10 - 170mm Flat Pad, 3 - 9mm Solid Pack
Core Diameter, (mm) - 50.8 - 76.2
Core Type - Plastic & Cardboard Available
Max Roll O.D., (mm) - 280mm
Packaging Type - Flat or Solid Pack

Storage & Handling

Like many other materials, PTFE exhibits a degree of memory, meaning that unsintered tape will tend to revert to its original form. This is particularly evident with expanded tapes, which attempt to contract back to their original density. It is therefore essential to store the material in a cool, clean and dry environment. Ideally, the temperature should be maintained below +19°C at all times to preserve its properties and performance.

 

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.

PTFE Conductive Film

Designed to maintain excellent chemical resistance, thermal stability and a smooth durable low-friction surface.

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.

Electricity Cable

Domestic wiring cable for fixed installations in dry or damp areas, suitable for conduit or trunking.

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

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