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Mineral-insulated cable

Mineral-insulated cable

TianKang Group’s mineral-insulated cables offer excellent fire resistance, high-temperature endurance, and corrosion resistance; the tightly integrated conductor and metal sheath deliver high mechanical strength and long service life, serving power, rail transit, petrochemical, and data center applications, with full compliance to standards and end-to-end support from selection to installation.

  • Product Details

Overview

Mineral-Insulated (MI) Cables use inorganic mineral materials (typically MgO) as insulation, featuring exceptional fire resistance, high-temperature endurance, and chemical corrosion resistance. They maintain circuit integrity under extreme conditions and are ideal for life-safety systems and critical power. Constructions include copper-sheathed or stainless-steel-sheathed designs, with options for LSZH outer covering, armouring, and multi-core configurations to suit diverse installations.

 

Typical voltage ratings: 300/500 V, 450/750 V, 0.6/1 kV, up to 3.6/6 kV for special designs

Conductors: Copper (plain/tinned), nickel-plated copper for high-temperature options

Insulation: High-purity magnesium oxide (MgO) mineral insulation

Sheath: Copper tube (common) or stainless steel (SS304/316) for harsh/corrosive environments

Outer covering: LSZH or LSOH extruded jacket (optional) for mechanical protection/marking

Armouring: Optional tape or wire armour for mechanical impact and burial

Fire performance: Fire-resistant (maintains circuit integrity under flame), low-smoke, halogen-free options

Applications: Fire pumps, emergency lighting, smoke extraction, tunnels, metros, petrochemical plants, data centers, hospitals, high-rise buildings

Standards: IEC 60702-1/-2, BS 6387 (CWZ), BS 8491, EN 50200, GB/T 13033, GB/T 34926, UL 2196 (where applicable)

 

Key Features

Inorganic insulation with outstanding fire survival; circuit integrity under fire, impact, and water spray

High temperature capability: continuous up to 250°C (higher for special types), short-term up to 950–1000°C

Halogen-free, low smoke, non-aging insulation; excellent corrosion and radiation resistance

Very low capacitance and dielectric loss; stable electrical parameters over service life

Durable metallic sheath with excellent EMC shielding and mechanical strength

 

Layered from inside to outside

   

 

Factory photos

 

If you need technical support, please feel free to contact us.

 

 

Customization & Technical Support

 

 E-Mail: overseasales@tiankang.com

 

 

Sales Support:

 

 E-Mail: overseasales01@tiankanginternational.com

 

 

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Anhui Tiankang Group was founded in 1974.The company covers an area of approximately 264acres. and has a construction area of 700,000 square meters. lt has more than 6,000 employeesand is a diversified group company spanning multiple industries. Tiankang Group specializes ininstruments and meters, optical cables, medical and pharmaceutical products, intelligent electricaliequipment, and polymer cable trays. Our products are widely used in petrochemicals, power,i transportation, and new energy. The Group holds independent import and export rights and hasibeen recognized for many years among China's Top 500 Manufacturing Enterprises, as well as ai National High-tech Enterprise and National Enterprise Technology Center, with multiple provincialand national honors.    
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