What is mineral cable
Mineral cable is a cable with inorganic mineral materials as the main insulation and sheath. It has excellent fire protection, high temperature resistance, corrosion resistance and other properties. It is widely used in high-rise buildings, subways, nuclear power plants and other places with extremely high safety requirements. In recent years, as people's awareness of fire safety has increased, the market demand for mineral cables has gradually grown and has become one of the hot topics.
Characteristics of mineral cables

The core advantage of mineral cable lies in its unique material structure and performance. The following are its main features:
| Features | Description |
|---|---|
| Fire performance | Can work continuously for 3 hours at a high temperature of 950℃ without burning or releasing toxic gases |
| High temperature resistance | The long-term working temperature can reach 250℃, and the short-term working temperature can withstand temperatures above 1000℃. |
| Corrosion resistant | Made of inorganic materials, resistant to acid and alkali, moisture and mildew |
| Mechanical strength | Copper sheathed structure provides good pressure and impact resistance |
| Environmental protection | Materials are recyclable and do not pollute the environment |
Classification of mineral cables
According to different structures and materials, mineral cables are mainly divided into the following categories:
| Type | Structural features | Application scenarios |
|---|---|---|
| Magnesium oxide insulated cable | Using magnesium oxide powder as insulation material and copper tube as sheath | High temperature environment, nuclear power plant |
| Mica tape insulated cable | Mica tape wrapped insulation, metal sheath | Fire protection system, emergency lighting |
| Mineral insulated flexible cable | Special process is used to keep the cable flexible | Mobile equipment, temporary power supply |
Application fields of mineral cables
Due to its excellent performance, mineral cables are widely used in the following fields:
| Application areas | Specific use | Advantages reflected |
|---|---|---|
| high-rise building | Fire protection system, emergency power supply | Ensure power supply in case of fire |
| rail transit | Subway and high-speed rail power supply system | High temperature resistance and smoke resistance |
| Petrochemical industry | Refineries, chemical plants | Explosion-proof and corrosion-resistant |
| nuclear power plant | Safety grade power system | Radiation protection, high reliability |
Mineral Cable Market Trends
According to recent market research data, the mineral cable industry shows the following development trends:
| Trend | Data performance | Influencing factors |
|---|---|---|
| Market size growth | The global market size will reach US$4.5 billion in 2023, with an annual growth rate of 8.2% | Building safety regulations tighten |
| Accelerating technological innovation | The number of new patent applications in 2023 will increase by 15% year-on-year | Materials Science Advances |
| Regional demand differences | Asia Pacific accounts for 42% of global demand | The process of urbanization is accelerating |
Mineral Cable Buying Guide
When purchasing mineral cables, there are several key factors to consider:
| Considerations | Specific content |
|---|---|
| Certification standards | Check whether it has passed GB, IEC and other authoritative certifications |
| Fire rating | Select the appropriate fire protection level according to the application scenario |
| conductor material | Copper conductors have good electrical conductivity and aluminum conductors have low cost. |
| Installation environment | Moist and corrosive environments require special protection |
| Supplier qualifications | Choose regular manufacturers with production experience |
The future development of mineral cables
With the breakthrough of new material technology and the improvement of environmental protection requirements, mineral cables will continue to innovate in the following aspects:
1.Material optimization: Develop higher-performance insulation materials to improve cable flexibility and ease of installation.
2.Intelligent: Integrated sensing technology to realize real-time monitoring and early warning of cable status.
3.green manufacturing: Improve the production process, reduce energy consumption and reduce the impact on the environment.
4.cost control: Reduce manufacturing costs and improve market competitiveness through large-scale production and technological innovation.
As an important category of special cables, mineral cables have broad prospects for technological development and market application, and will play an increasingly important role in ensuring social and public safety.
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