Mica Wrapped Fiberglass Braided Fire-Resistant Wire

Mica wrapped fiberglass braided fire-resistant wire is designed for metallurgy, oil, chemical, coal mining, boilers, power plants, fire protection systems, civil electrical furnaces, and other high-temperature environments requiring flame resistance, fire resistance, and durable electrical insulation. This series includes UL5107 and UL5128 mica fire-resistant wire options with mica tape insulation, fiberglass braid reinforcement, nickel-plated copper or tinned copper conductor options, and 300V / 600V voltage ratings.

Mica Wrapped Wire
Fiberglass Braided Protection
Fire-Resistant Wire
UL5107 / UL5128

Overview

Mica Wrapped Fiberglass Braided Fire-Resistant Wire is designed for metallurgy, oil, chemical, coal mining, boilers, power plants, fire protection systems, civil electrical furnaces, and other high-temperature environments requiring flame resistance, fire resistance, and durable electrical insulation.

This product family includes UL5107 and UL5128 mica wrapped fiberglass braided fire-resistant wire options. Compared with standard silicone, PVC, or XLPE insulated hook-up wire, mica wrapped fire-resistant wire is selected when the cable must provide stronger fire survival, flame resistance, and high-temperature insulation performance in demanding electrical environments.

This page is intended for product selection. Exact specifications should be confirmed by selected model, rated voltage, conductor size, conductor material, mica tape structure, fiberglass braid, finished outside diameter, temperature rating, color, and project drawing before ordering. UL5128 detailed parameters should be confirmed before final quotation because the current catalog file does not show its full specification page.

Series Options

The table below helps buyers compare the main mica wrapped fiberglass braided fire-resistant wire options before reviewing detailed datasheets or drawings.

Series Option	Product Positioning	Typical Selection Scenario
UL5107	Mica wrapped fiberglass braided fire-resistant wire	For high-temperature and fire-resistant electrical wiring in metallurgy, oil, chemical, power, boiler, fire protection, and industrial equipment applications.
UL5128	Mica wrapped fiberglass braided fire-resistant wire option	For projects requiring UL5128-style mica fire-resistant wire. Detailed parameters should be confirmed by datasheet before final selection.
BYC Custom	Custom mica wrapped fire-resistant wire	For projects requiring custom conductor size, mica tape structure, fiberglass braid, voltage rating, color, marking, packaging, or documentation support.

Features

Mica Wrapped Insulation

Mica tape insulation supports fire resistance, high-temperature insulation, and improved safety performance in demanding wiring environments.

Fiberglass Braided Reinforcement

Fiberglass braid improves mechanical protection, surface durability, abrasion resistance, and handling strength.

Fire-Resistant Wiring

Designed for applications where ordinary insulation materials may not provide sufficient resistance to flame, heat, or harsh thermal exposure.

300V / 600V Options

Representative listed voltage options include 300V and 600V depending on selected model and construction.

High-Temperature Environment Use

Suitable for metallurgy, oil, chemical, coal mining, boiler, power plant, and fire protection related electrical systems.

Custom Specification Support

BYC Cables can review conductor size, mica wrapping, fiberglass braid, voltage, color, marking, testing, and documentation requirements.

Construction & Materials

Mica wrapped fiberglass braided fire-resistant wire should be selected according to fire-resistance requirement, operating temperature, voltage rating, conductor size, conductor material, insulation structure, mechanical protection, routing environment, and equipment safety standard.

Construction Options

Component	Available Options	Selection Notes
Conductor	Nickel-plated copper wire or tinned copper wire depending on selected model	Conductor material should be selected according to temperature exposure, oxidation resistance, conductivity, and termination requirements.
Primary Insulation	Mica tape wrapping	Mica tape provides fire-resistant and high-temperature insulation performance for severe thermal environments.
Outer Reinforcement	Fiberglass braid	Fiberglass braid adds mechanical protection, abrasion resistance, and additional high-temperature reinforcement.
Rated Voltage	300V / 600V options	Voltage rating should match equipment design, insulation thickness, installation environment, and project safety requirement.
Rated Temperature	200°C or 450°C options, depending on selected construction	Temperature rating should be selected according to heat exposure, fire-resistance requirement, cable routing, and safety margin. Fahrenheit equivalents: 392°F and 842°F.
Color	Color options can be reviewed based on model and project requirement	Color identification supports wiring management, installation, inspection, and maintenance.
Customization	Custom conductor size, mica tape structure, braid, voltage, temperature, color, marking, packaging, and documentation	BYC Cables can review drawings, samples, equipment requirements, and documentation needs before recommending a final construction.

Construction Differences

Series	Construction Focus	Representative Listed Information	When to Choose
UL5107	Mica wrapped fiberglass braided fire-resistant wire	Listed with 300V / 600V rating, 200°C or 450°C temperature rating, mica tape insulation, fiberglass braid, and nickel-plated copper or tinned copper conductor options.	Choose for high-temperature and fire-resistant wiring in metallurgy, oil, chemical, coal mining, boiler, power plant, fire protection, and industrial electrical systems.
UL5128	Mica wrapped fiberglass braided fire-resistant wire option	Listed in the catalog directory as a mica wrapped fiberglass braided fire-resistant wire. Detailed specification should be confirmed before final quotation.	Choose when UL5128 is specified by project drawings, BOM, purchasing requirements, or equipment standard.
BYC Custom	Project-specific mica fire-resistant wire	Conductor material, wire size, mica tape, braid, voltage, temperature, color, marking, and documentation can be reviewed.	Choose when standard model data does not fully match your fire-resistance requirement, equipment design, or project specification.

Specifications

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

Product Family	Mica Wrapped Fiberglass Braided Fire-Resistant Wire
Included Models	UL5107, UL5128
Rated Voltage	300V / 600V options
Rated Temperature	200°C or 450°C depending on selected construction. Fahrenheit equivalents: 392°F and 842°F.
Conductor Options	Nickel-plated copper wire or tinned copper wire depending on selected model
Insulation Material	Mica tape
Braid / Reinforcement	Fiberglass braid
Fire-Resistant Performance	Designed for high-temperature and fire-resistant wiring environments requiring flame resistance and durable insulation.
Typical Applications	Metallurgy, oil, chemical, coal mining, boilers, power plants, fire protection systems, civil electrical furnaces, and other high-temperature equipment wiring
Wire Size	Available conductor size range varies by selected model. UL5107 representative table includes AWG 26 to AWG 10 options.
Finished Outside Diameter	Varies by conductor size, mica tape structure, braid thickness, voltage rating, and selected model.
Customization	Available based on conductor size, conductor material, voltage rating, temperature rating, mica structure, braid, color, marking, packaging, and documentation requirements.

For accurate quotation, please provide the target model, rated voltage, temperature requirement, conductor size, conductor material, fire-resistance requirement, finished outside diameter limit, color, cable length, and applicable drawings or specifications.

Representative Series Comparison

Series	Structure	Representative Voltage / Temperature	Typical Application Note
UL5107	Mica tape insulation + fiberglass braid	300V / 600V; 200°C or 450°C (392°F or 842°F)	For high-temperature and fire-resistant wiring in industrial, power, boiler, fire protection, and furnace environments.
UL5128	Mica wrapped fiberglass braided fire-resistant wire	Detailed parameters should be confirmed by datasheet.	For projects requiring UL5128-style mica fire-resistant wire based on drawing or purchasing specification.
BYC Custom	Custom mica wrapped fire-resistant wire	Voltage, temperature, and structure can be reviewed based on project requirement.	For custom fire-resistant wire applications requiring specific conductor, mica tape, braid, color, marking, or documentation.

Applications

Mica wrapped fiberglass braided fire-resistant wires are suitable for high-temperature and fire-resistant wiring applications where ordinary insulation may fail under heat, flame, or severe industrial conditions.

Metallurgy and Foundry Equipment

For high-temperature equipment, furnaces, and electrical systems used in metallurgy and foundry environments.

Oil, Chemical, and Coal Mining

For selected industrial electrical systems requiring heat resistance, flame resistance, and durable insulation.

Boilers and Power Plants

For boiler equipment, power generation systems, and high-temperature electrical connections.

Fire Protection Systems

For fire protection related electrical systems where flame-resistant and fire-resistant wiring performance is required.

Civil Electrical Furnaces

For electrical furnace environments and high-temperature wiring systems requiring mica wrapped insulation.

Custom High-Temperature Wiring

For projects requiring custom conductor size, fire-resistant structure, braid, color, marking, testing, or documentation support.

Selection Guide

Use this guide as a starting point. Final selection should be confirmed by fire-resistance requirement, working temperature, voltage rating, conductor size, cable routing, mechanical protection, and equipment standard.

Requirement	Recommended Option	Selection Reason
Fire-resistant high-temperature wiring	UL5107	UL5107 is listed with mica tape insulation and fiberglass braid for high-temperature and fire-resistant wiring environments.
Project specifies UL5128	UL5128	Use when UL5128 is required by project drawings, BOM, purchasing documentation, or equipment standard. Detailed parameters should be confirmed first.
Higher temperature requirement	450°C Class Option	Use when the application requires the 450°C (842°F) temperature class shown for mica fire-resistant wire options.
Standard fire-resistant equipment wiring	200°C Class Option	Use when the application requires fire-resistant mica insulation but does not require the higher 450°C class construction.
Custom fire-resistant wire	BYC Custom	BYC Cables can review conductor size, conductor material, mica tape, braid, voltage, temperature, color, marking, and documentation requirements.

Customization Options

BYC Cables can support custom mica wrapped fiberglass braided fire-resistant wire requirements based on drawings, samples, electrical requirements, fire-resistance standards, operating environment, and documentation needs.

Conductor Size

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

Conductor Material

Nickel-plated copper or tinned copper conductor options can be reviewed according to temperature, oxidation resistance, and termination requirements.

Mica Tape Structure

Mica wrapping structure can be reviewed according to fire-resistance requirement, voltage rating, insulation thickness, and application environment.

Fiberglass Braid

Fiberglass braid thickness and finished outside diameter can be reviewed according to mechanical protection and routing requirements.

Color and Marking

Custom colors, printing, identification, and packaging labels can support production, installation, inspection, and maintenance.

Testing and Documentation

Datasheets, inspection records, fire-resistant wire documentation, electrical test data, and project documents can be provided based on requirements.

Request a Quote

Please provide the target model, rated voltage, temperature requirement, conductor size, conductor material, fire-resistance requirement, finished outside diameter limit, color, cable length, and applicable drawings or specifications.

FAQ

What is mica wrapped fiberglass braided fire-resistant wire used for?

It is used for metallurgy, oil, chemical, coal mining, boilers, power plants, fire protection systems, civil electrical furnaces, and other high-temperature wiring environments requiring fire-resistant insulation.

Which models are included in this series?

This series includes UL5107 and UL5128 mica wrapped fiberglass braided fire-resistant wire options.

What does mica wrapping do?

Mica wrapping provides fire-resistant and high-temperature insulation performance, helping the wire maintain electrical insulation under severe heat or flame exposure.

Why is fiberglass braid used?

Fiberglass braid improves mechanical protection, abrasion resistance, surface reinforcement, and high-temperature durability.

What temperature ratings are available?

Representative listed options include 200°C and 450°C. Fahrenheit equivalents are 392°F and 842°F. Final rating should be confirmed by selected model and construction.

Can BYC Cables customize mica fire-resistant wire?

Yes. BYC Cables can review custom conductor size, conductor material, mica tape structure, fiberglass braid, voltage rating, temperature rating, color, marking, packaging, testing, and documentation requirements.