Silicon nitride sleeves, commonly referred to as very large impact-resistant industrial ceramic protective tubes, are a key industrial component that combines high-performance engineered material properties with custom design. Silicon nitride is widely used in environments requiring extreme durability due to its excellent wear resistance, thermal shock resistance, and high temperature stability.

Silicon nitride sleeves, commonly referred to as very large impact-resistant industrial ceramic protective tubes, are a key industrial component that combines high-performance engineered material properties with custom design. Silicon nitride is widely used in environments requiring extreme durability due to its excellent wear resistance, thermal shock resistance, and high temperature stability.

Advantages of silicon nitride sleeve :

Heat resistance: High temperature silicon nitride sleeve has excellent heat resistance, can maintain stable physical and chemical properties at extreme high temperatures, its melting point exceeds 1900 ° C, and can still maintain good mechanical strength and dimensional stability at high temperatures. Suitable for high temperature furnace, combustion device, heat treatment equipment and other scenarios.

Excellent corrosion resistance: Silicon nitride ceramics have good resistance to most chemicals, including acids, bases and salts. This corrosion resistance makes the application of silicon nitride ceramics in chemical, pharmaceutical and other industries possible.

Thermal shock resistance: These precision ceramic products have excellent thermal shock resistance and can withstand rapid temperature changes without cracking or breakage, ensuring stable operation of equipment in thermal shock environments, such as temperature fluctuations in high-temperature processes.

Chemical stability: high temperature resistant silicon nitride ceramic tube and thermal shock resistant ceramic protective sleeve have good chemical stability, excellent corrosion resistance to acid and alkali solutions, corrosive gases, etc., can be used stabilities in harsh chemical environments for a long time.

High hardness: Silicon nitride ceramics are known for their extremely high hardness, Mohs hardness is usually above 9, which makes it excellent in wear resistance and scratch resistance.

High thermal conductivity: Silicon nitride ceramics have a high thermal conductivity of about 30-50 W/(m·K), which makes them ideal for efficient heat dissipation materials.

Low coefficient of thermal expansion: Silicon nitride ceramics have a low coefficient of thermal expansion of about 3 × 10⁻⁶ /°C, which helps to reduce the problem of cracking caused by thermal stress.

Precision machining: These precision ceramic products can be customized for precision machining to meet customers' specific size, shape, aperture and other needs, and are widely used in a variety of high-demand industrial and technological fields, such as petrochemical, aerospace, energy and so on.

Silicon nitride sleeves  performance indicators :

Ceramic product processing accuracy :

Application area:

Petrochemical industry

In the petrochemical industry, high temperature resistant silicon nitride ceramic tubes and thermal shock resistant ceramic protective sleeves are widely used in high temperature reactors, catalyst carriers, high temperature pipelines and other equipment to ensure stable operation of equipment in extreme working environments.

Aerospace

In the aerospace sector, these precision ceramic products are used as a number of key components in aviation and can withstand high temperature and high pressure operating conditions to ensure the safety and reliability of aviation devices.

Energy industry

In the field of energy, high temperature resistant silicon nitride ceramic tubes and thermal shock resistant ceramic protective sleeves are used in burners, boilers, thermal power stations and other equipment, bearing the key functions of heat insulation, protection and heat conduction.

Laboratory research