Mineral Insulated Cable
Mineral Insulated Cable
Mineral Insulated (MI) cables are a highly specialized solution designed for environments where performance, safety, and durability are paramount. Constructed using inorganic materials such as copper and magnesium oxide (MgO), these cables deliver unparalleled reliability and functionality in demanding conditions. Their unique properties make them an ideal choice for a wide range of industries, including power generation, oil and gas, petrochemical, construction, and more.
MI cables feature conductors or wires encased in a seamless metal sheath and insulated with compressed MgO. This structure provides:
Exceptional Thermal Stability: Capable of withstanding high temperatures without degradation.
Superior Electrical Insulation: Ensures reliable performance under high voltage and thermal stress.
Outstanding Mechanical Protection: Protects internal conductors against harsh physical environments.
1. Fire Resistance
MI cables are inherently fireproof, with non-combustible insulation that emits no smoke or toxic gases during exposure to high temperatures. This makes them ideal for fire-critical applications like hospitals, nuclear plants, and emergency systems.
2. Enhanced Durability
Low Flammability: Withstands extreme heat without compromising performance.
Corrosion Resistance: Metal sheaths protect against moisture, chemicals, and oxidative damage, ensuring long-term reliability in aggressive environments.
3. High Current-Carrying Capacity
MI cables are certified for transmitting higher power in smaller spaces, optimizing design flexibility while maintaining efficiency.
4. Ease of Installation and Versatility
Flexible enough to be bent and shaped on-site without compromising structural integrity.
Suitable for retrofitting projects due to compatibility with other cable types and their compact size.
5. Safety and Precision
MI cables provide unmatched protection for critical systems, such as temperature sensors and control lines, ensuring accurate data transmission in high-stakes environments.
1. Power Transmission in Harsh Environments
MI cables are commonly used in facilities like power plants and refineries, where high temperatures and corrosive substances pose challenges for conventional cables.
2. Fire and Safety Systems
They are the preferred choice for emergency lighting, fire alarms, and sprinkler systems, thanks to their ability to operate under fire conditions without failure.
3. Nuclear and Petrochemical Industries
MI cables are essential in nuclear power plants for monitoring core temperatures and ensuring system integrity in hazardous conditions.
4. Oil and Gas Sector
Their resistance to chemicals and moisture makes them a reliable option for offshore rigs, pipelines, and processing facilities.
5. Critical Medical Equipment
Ensuring uninterrupted power supply and precise measurements, MI cables are indispensable in healthcare settings like operating rooms and diagnostic laboratories.
At Tongda, we specialize in providing high-quality MI cables tailored to meet the demands of industrial and commercial applications. Our cables are manufactured with strict adherence to international safety standards, ensuring:
Unmatched Performance: Superior thermal and electrical properties for long-lasting efficiency.
Customized Solutions: Options for various configurations, sizes, and sheath materials to suit specific project needs.
Expert Support: Comprehensive guidance for installation, maintenance, and compliance requirements.
Contact us today for tailored solutions that meet your project’s exacting standards.
Copper-sheathed mineral magnesium oxide insulated fireproof cable (MI cable) features a high-conductivity copper conductor, magnesium oxide insulation, and an oxygen-free copper sheath. With excellent electrical, mechanical, and fire-resistant properties, it is recognized as one of the safest cables, widely used in metallurgy, petrochemicals, construction, marine, and military sectors.
BTLY isolated (flexible) mineral-insulated fire-proof cables are all made of inorganic materials (metal copper and it is composed of magnesium oxide). It will not cause a fire itself, and it is impossible to burn or promote combustion.
Tongda flexible corrugated copper sheathed mica tape mineral insulated cable is a new type of metal sheathed inorganic mineral insulated flexible fireproof cable. It adopts advanced production technology to achieve fully automated mechanized production. The product quality is reliable and complies with the industry standard JG/T313-2011 "Rated voltage 750V and below metal sheathed inorganic mineral insulated flexible fireproof cable and terminal", and is highly recommended by the China Building Standard Design Institute.
Flexible mineral insulated fireproof cable is composed of copper stranded wire, mineral compound insulation, and mineral compound sheath. This kind of cable is non-combustible, smoke-free, non-toxic and fireproof.
