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.
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.
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