PTFE Coaxial Core

Markel precision extruded polytetrafluoroethylene (PTFE) insulated wire is supplied as a component to manufacturers of flexible and semi-rigid RF and microwave coaxial cables.

Conductors can be stranded or solid, silver or nickel plated copper or copper clad steel. Dielectric constant values and physical dimensions are tightly controlled to meet the requirements of each finished cable specification for the wireless infrastructure market.

close-up image of PTFE Coaxial Core

PTFE Coaxial Core Data Sheets

Products and Design Options

Markel’s PTFE Coaxial core can be designed for use in the Wireless Infrastructure, Aerospace, Defense, Test, and other RF and Microwave applications, in addition to all MIL-C-17 standard designs.
Markel can insulate PTFE coaxial core from 32AWG – 14AWG in core diameters from 0.20 mm – 2.90 mm in:

  • solid or stranded Silver Plated Copper (SPC)
  • Silver Plated Copper Weld (SPCW)
  • Nickel Plated Copper (NiPC).

Markel can, by special request, provide test data reporting capacitance, diameter, ovality, and eccentricity for specialized applications requiring that extra validation.

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