PTFE Insulated High Temperature Wire

PTFE insulated high temperature wire is designed for electronics, appliances, aerospace equipment, instruments, industrial control systems, and other applications requiring high temperature resistance, thin-wall insulation, chemical resistance, and stable electrical performance. This series includes UL1199, UL1659, and AFR-200 / AFR-250 wrapped PTFE wire options for different voltage, temperature, flexibility, and installation requirements.

PTFE Insulated Wire
High Temperature Wire
UL1199 / UL1659
AFR-200 / AFR-250 Options

Overview

PTFE Insulated High Temperature Wire is designed for electronics, appliances, aerospace equipment, instruments, industrial control systems, and other applications requiring heat resistance, chemical resistance, thin-wall insulation, and stable electrical performance.

This product family includes extruded PTFE insulated wire options such as UL1199 and UL1659, as well as AFR-200 / AFR-250 wrapped PTFE film insulated wire. Compared with many standard thermoplastic insulated wires, PTFE insulated wire provides a wider temperature range, excellent dielectric properties, low friction, chemical resistance, and reliable performance in demanding electrical environments.

This page is intended for product selection. Exact specifications should be confirmed by selected model, conductor size, conductor material, insulation structure, voltage rating, temperature rating, finished outside diameter, color, and project drawing before ordering.

Series Options

The table below helps buyers compare the main PTFE insulated high temperature wire options before reviewing detailed datasheets or drawings.

Series Option	Insulation Structure	Typical Selection Scenario
UL1199	PTFE insulated wire	For high temperature electronic wiring, appliance wiring, instruments, and equipment internal wiring requiring PTFE insulation.
UL1659	PTFE insulated wire	For high temperature wiring applications requiring PTFE insulation with model-specific voltage, conductor, and size requirements.
AFR-200	PTFE film wrapped insulated wire	For applications requiring wrapped PTFE insulation, high temperature performance, and a flexible wire construction.
AFR-250	PTFE film wrapped insulated wire	For higher temperature PTFE wrapped wire requirements where AFR-250 construction is specified by the project.
BYC Custom	Custom PTFE insulation, conductor, color, and size options	For projects requiring custom conductor material, wire size, insulation thickness, voltage rating, color, marking, or documentation support.

Features

PTFE Insulation

PTFE insulation provides high temperature resistance, stable dielectric performance, chemical resistance, and low friction for demanding wiring environments.

High Temperature Performance

Suitable for electrical systems where standard PVC or common thermoplastic insulated wires may not provide sufficient heat resistance.

Extruded and Wrapped Options

Includes both extruded PTFE insulated wire and PTFE film wrapped wire options for different construction and performance requirements.

Multiple Conductor Options

Conductor options may include tinned copper, silver-plated copper, nickel-plated copper, or model-specific conductor constructions.

Thin-Wall Wire Design

PTFE insulation supports compact wire design while maintaining electrical insulation performance for space-limited equipment wiring.

Custom Specification Support

BYC Cables can review conductor size, insulation thickness, voltage rating, color, marking, packaging, and documentation requirements.

Construction & Materials

PTFE insulated high temperature wire should be selected according to operating temperature, voltage rating, conductor material, insulation structure, flexibility, routing space, and equipment standard. Extruded PTFE and wrapped PTFE film constructions serve different wiring and manufacturing needs.

Construction Options

Component	Available Options	Selection Notes
Conductor	Tinned copper, silver-plated copper, nickel-plated copper, or model-specific copper conductor options	Conductor plating should be selected according to temperature, solderability, oxidation resistance, and electrical performance requirements.
Insulation	Extruded PTFE or PTFE film wrapped insulation	Extruded PTFE provides a continuous insulation layer. Wrapped PTFE film construction can be selected when AFR-type wire is required.
Rated Voltage	Model-specific voltage ratings	Voltage rating must match the equipment design, insulation thickness, installation environment, and applicable project requirements.
Temperature Grade	High temperature PTFE wire options, including 200°C and 250°C class options depending on selected series	Temperature rating should be selected according to operating environment, nearby heat source, thermal load, and safety margin.
Color	Standard colors or custom colors depending on model and order requirements	Color identification supports wiring management, assembly, inspection, maintenance, and circuit identification.
Application	High temperature electronic wiring, appliance wiring, instrumentation, aerospace equipment, and industrial equipment wiring	Final construction should be confirmed based on current load, voltage, temperature, bending, routing, and environmental requirements.
Customization	Custom conductor size, insulation thickness, voltage, temperature, color, marking, and packaging	BYC Cables can review drawings, samples, equipment requirements, and documentation needs before recommending a final construction.

Construction Differences

Series	Construction Focus	Confirmed Information	When to Choose
UL1199	PTFE insulated high temperature wire	Listed as a PTFE insulated wire option in the supplier catalog.	Choose when the project requires UL1199-style PTFE insulated wire for high temperature internal wiring.
UL1659	PTFE insulated high temperature wire	Listed as a PTFE insulated wire option in the supplier catalog.	Choose when UL1659-style PTFE insulated wire is specified by equipment design or purchasing requirements.
AFR-200	PTFE film wrapped insulated wire	Part of the AFR-200 / AFR-250 wrapped PTFE film insulated wire group.	Choose when wrapped PTFE film insulation and 200°C class high temperature performance are required.
AFR-250	PTFE film wrapped insulated wire	Part of the AFR-200 / AFR-250 wrapped PTFE film insulated wire group.	Choose when wrapped PTFE film insulation and 250°C class high temperature performance are required.
BYC Custom	Project-specific PTFE high temperature wire	Conductor material, wire size, insulation thickness, voltage, temperature, color, and documentation can be reviewed.	Choose when standard model data does not fully match your equipment, operating environment, or project standard.

Specifications

The specifications below are intended for preliminary product selection. Final values should be confirmed according to selected model, conductor size, conductor material, insulation structure, voltage rating, temperature grade, and project drawing.

Product Family	PTFE Insulated High Temperature Wire
Included Models	UL1199, UL1659, AFR-200, AFR-250
Insulation Material	PTFE or PTFE film wrapped insulation depending on selected series
Typical Applications	Electronics, appliances, aerospace equipment, instruments, industrial control systems, heating equipment, and high temperature internal wiring
Temperature Class	High temperature PTFE wire options, including 200°C and 250°C class options depending on selected model. Fahrenheit equivalents: 392°F and 482°F.
Conductor Options	Tinned copper, silver-plated copper, nickel-plated copper, or model-specific copper conductor options
Voltage Rating	Model-specific. Final voltage rating should be confirmed by selected series and datasheet.
Wire Size	Available conductor size range varies by selected model. Final size should be confirmed by current requirement and project drawing.
Insulation Thickness	Varies by model, conductor size, voltage rating, and insulation construction.
Finished Outside Diameter	Varies by conductor size, insulation thickness, and selected model.
Color Options	Standard colors or custom colors depending on model and order requirements
Customization	Available based on conductor size, conductor material, insulation thickness, voltage rating, temperature grade, color, marking, packaging, and documentation requirements.

For accurate quotation, please provide the target model, conductor size, conductor material, rated voltage, temperature requirement, insulation structure, color, cable length, and applicable drawings or specifications.

Representative Series Comparison

Series	Insulation Structure	Temperature Positioning	Typical Application Note
UL1199	PTFE insulated wire	High temperature PTFE wire option	For equipment wiring where UL1199-style PTFE insulation is specified.
UL1659	PTFE insulated wire	High temperature PTFE wire option	For high temperature internal wiring requiring UL1659-style PTFE insulation.
AFR-200	PTFE film wrapped insulation	200°C class option, 392°F equivalent	For wrapped PTFE wire applications requiring 200°C class high temperature performance.
AFR-250	PTFE film wrapped insulation	250°C class option, 482°F equivalent	For wrapped PTFE wire applications requiring 250°C class high temperature performance.

Applications

PTFE insulated high temperature wires are suitable for electrical systems where heat resistance, chemical resistance, dielectric performance, compact insulation, and long-term wiring reliability are important.

Electronics and Instruments

For internal wiring of instruments, sensors, controllers, meters, and precision electronic equipment.

Aerospace Equipment

For selected aerospace and defense equipment wiring requiring high temperature fluoropolymer insulation.

Industrial Control Systems

For control cabinets, industrial machines, automation equipment, and high temperature internal wiring.

Appliances and Heating Equipment

For appliances, heaters, ovens, lighting equipment, and other systems exposed to elevated temperatures.

Chemical and Harsh Environments

For equipment requiring insulation materials with chemical resistance and stable electrical properties.

Custom High Temperature Wire Projects

For projects requiring custom conductor size, insulation thickness, color, marking, packaging, or technical documentation.

Selection Guide

Use this guide as a starting point. Final selection should be confirmed by operating temperature, voltage rating, conductor material, wire size, insulation structure, installation space, and equipment standard.

Requirement	Recommended Option	Selection Reason
Standard PTFE insulated high temperature wiring	UL1199 / UL1659	Recommended when extruded PTFE insulation is required for high temperature internal wiring.
Wrapped PTFE construction	AFR-200 / AFR-250	Recommended when PTFE film wrapped insulation is specified by the project or equipment design.
200°C class high temperature wire	AFR-200	Suitable when 200°C (392°F) class wrapped PTFE wire is required.
250°C class high temperature wire	AFR-250	Suitable when 250°C (482°F) class wrapped PTFE wire is required.
Custom conductor or insulation structure	BYC Custom	BYC Cables can review conductor material, wire size, insulation thickness, voltage rating, color, and documentation requirements.

Customization Options

BYC Cables can support custom PTFE insulated high temperature wire requirements based on drawings, samples, electrical requirements, operating environment, and project documentation needs.

Conductor Material

Tinned copper, silver-plated copper, nickel-plated copper, or model-specific conductor options can be reviewed according to temperature and electrical requirements.

Wire Size

Conductor size can be selected according to current load, voltage drop, routing space, termination method, and equipment design.

Insulation Structure

Extruded PTFE or PTFE film wrapped insulation can be reviewed according to application, processing, and performance requirements.

Voltage and Temperature

Voltage rating and temperature class can be selected according to equipment design, working environment, and project safety margin.

Color and Marking

Color, printing, stripe marking, and identification requirements can be customized for production, installation, and maintenance.

Testing and Documentation

Datasheets, inspection records, electrical test data, packaging labels, and project documentation can be provided based on requirements.

Request a Quote

Please provide the target model, conductor size, conductor material, rated voltage, temperature requirement, insulation structure, color, cable length, and applicable drawings or specifications.

FAQ

What is PTFE insulated high temperature wire used for?

It is used for electronics, appliances, aerospace equipment, instruments, industrial control systems, heating equipment, and internal wiring where heat resistance and stable electrical insulation are required.

Which models are included in this series?

This series includes UL1199, UL1659, AFR-200, and AFR-250 PTFE insulated or PTFE wrapped wire options.

What is the difference between UL1199 / UL1659 and AFR-200 / AFR-250?

UL1199 and UL1659 are PTFE insulated wire options. AFR-200 and AFR-250 are PTFE film wrapped insulated wire options for applications where wrapped PTFE construction is specified.

What temperature class is available?

PTFE high temperature wire options include 200°C and 250°C class options depending on selected model. Fahrenheit equivalents are 392°F and 482°F.

Can BYC Cables provide custom conductor materials?

Yes. BYC Cables can review tinned copper, silver-plated copper, nickel-plated copper, or other model-specific conductor options based on temperature, solderability, and project requirements.

What information should I provide for quotation?

Please provide target model, conductor size, conductor material, rated voltage, temperature requirement, insulation structure, color, cable length, and any drawings or specifications.