In many fields of modern industry, the thermal insulation, fire prevention and thermal insulation properties of materials are very important, especially in high temperature environment. As a high-performance thermal insulation material, aluminum silicate fiber board is widely used in industrial furnaces, high-temperature pipelines, fire-proof buildings and other fields with its excellent physical and chemical characteristics. This paper will introduce the characteristics, technical parameters, application fields and market advantages of aluminum silicate fiber board in detail.

I. Characteristics of aluminum silicate fiber board

Aluminum silicate fiber board is a kind of plate made of aluminum silicate fiber as the main raw material and processed by special technology. It has the following remarkable characteristics:

(1) Low thermal conductivity and low thermal capacity

The thermal conductivity of aluminum silicate fiber board is extremely low, usually around 0.085 W/m·K (density 285 kg/m), which means that it can effectively prevent heat transfer and reduce heat loss. Low thermal capacity enables it to respond quickly when the temperature changes, saving energy consumption.

(2) High temperature stability and thermal shock resistance

The material can remain stable in high temperature environment, its highest working temperature can reach 1350℃, and it has excellent thermal shock resistance, and can withstand rapid temperature changes without cracking or deformation.

(3) High strength and processability

Aluminum silicate fiber board has high strength and is easy to cut, install and machine, which can meet the size and shape requirements of different application scenarios.

(4) Good chemical stability

It has good corrosion resistance to most chemicals, is not easy to be eroded by acid and alkali, and can adapt to complex chemical environment.

(5) Fire prevention and sound insulation performance

Aluminum silicate fiber board has excellent fire prevention performance, which can effectively prevent the fire from spreading, and at the same time, it can absorb noise and reduce the spread of noise.

II. Technical parameters

(1) Working temperature

ZYC-STD：1050℃

ZYC-HP：1100℃

ZYC-HA：1200℃

ZYC-HZ：1350℃

(2) Density

260 kg/m³

350 kg/m³

(3) Size

Standard dimensions: 600×400 mm, 900×600 mm, 1000×1000 mm, 1200×600 mm and 1200× 1000 mm.

Thickness: 6-80 mm

(4) Thermal conductivity

0.085 W/m·K (density 285 kg/m)

0.132 W/m·K (density 320kg/m)

0.18 W/m·K (density 350kg/m)

(5) Chemical composition

AL₂O₃：39%-55%

SiO₂：97%-99%

ZrO: 15%-17% (some models)

Fe₂O₃：<1.0%

Na₂O + K₂O：≤0.5%

III. Application fields

(1) Industrial furnaces and kilns

Aluminum silicate fiber board is widely used in industrial furnaces in metallurgy, machinery, chemical industry, optics and other industries. As furnace lining material, it can effectively insulate against heat, fire and heat, prolong the service life of furnaces and reduce energy consumption.

(2) High temperature pipeline

In the insulation of high-temperature pipelines, aluminum silicate fiber board can effectively prevent heat loss, reduce heat loss and improve energy utilization efficiency.

(3) Fire-proof buildings

In the field of architecture, aluminum silicate fiber board can be used in fire doors, firewalls, fire partitions and other parts, which can effectively prevent the fire from spreading and protect the safety of people and property.

(4) High temperature sealing

Aluminum silicate fiber board can also be used for sealing high-temperature equipment, such as high-temperature valves and high-temperature flanges, which can effectively prevent the leakage of high-temperature gas or liquid.

(5) Other applications

In addition, aluminum silicate fiber board can also be used in automobile heat insulation, aerospace heat insulation, electronic equipment heat insulation and other fields, and has a wide application prospect.

IV. Market Advantage

(1) energy conservation and environmental protection

Aluminum silicate fiber board's low thermal conductivity and low thermal capacity make it outstanding in heat insulation and heat preservation, which can effectively reduce energy consumption and greenhouse gas emissions and meet the requirements of environmental protection.

(2) High security

Its excellent fire resistance and chemical stability enable it to provide reliable protection in high temperature and complex environment and reduce safety risks.

(3) High cost performance

Although aluminum silicate fiber board's performance is excellent, its price is relatively reasonable, with high cost performance, which can save costs for users.

(4) Easy installation and maintenance.

Aluminum silicate fiber board is easy to cut and install, the installation process is simple and fast, and the maintenance cost is low and the service life is long.

V. Future development trend

With the continuous progress of industrial technology and the increasingly strict requirements of environmental protection, the application prospect of aluminum silicate fiber board will be broader. In the future, this material is expected to achieve further development in the following aspects:

(1) high performance

By improving the production process and formula, the high temperature resistance, thermal shock resistance and strength of aluminum silicate fiber board can be further improved to meet higher requirements of application scenarios.

(2) Multifunctional

Develop composite materials with multiple functions such as heat insulation, fire prevention, sound insulation, sound absorption and heat preservation to meet the needs of different users.

(3) Environmental protection

Further reduce energy consumption and pollutant emissions in the production process, develop more environmentally friendly production processes and raw materials, and promote the sustainable development of aluminum silicate fiber board industry.

(4) Intelligent

Combined with intelligent material technology, aluminum silicate fiber board with self-sensing and self-diagnosis functions is developed to realize real-time monitoring and early warning of material properties and improve the reliability and service life of materials.

VI. Summary

As a high-performance thermal insulation material, aluminum silicate fiber board has been widely used in industrial furnaces, high-temperature pipelines, fire-resistant buildings and other fields because of its low thermal conductivity, high-temperature stability, thermal shock resistance, fire resistance and good chemical stability. Its excellent performance and broad application prospects make it highly competitive in the market. With the continuous progress of technology and the constant change of market demand, aluminum silicate fiber board is expected to achieve greater development in the future and make greater contributions to industrial production and environmental protection.