Fused silica brick is a kind of high precision and high purity refractory brick. It can be cut by cutting equipment to produce fused silica bricks of various specifications and sizes.
Fused silica brick is a kind of high-precision and high-purity quartz material, which is made of pure quartz sand heated to more than 1800℃ in an electric furnace and fused to a fused silica tourbillon, and then cut by a professional cutting equipment, and can be produced in various specifications and sizes.
Excellent volume stability
Fused silica bricks have excellent volumetric stability, and the use of fused silica ceramic bricks for fire-resistant furnace masonry can be achieved without leaving expansion gaps.
Excellent heat resistance
Fused silica bricks can withstand extremely high temperatures, typically 1700°C (3092°F) and higher. At high temperatures, it maintains its structural integrity and shape without melting or deforming.
Low Thermal Conductivity
Fused silica tiles have very low thermal conductivity, making them an excellent insulator. In high-temperature applications, it minimizes heat transfer, reduces energy loss and increases energy efficiency.
Outstanding Thermal Shock Resistance
Fused silica brick has excellent thermal shock resistance. It can withstand sharp temperature changes without cracking or flaking, ensuring its reliability and durability in temperature fluctuating environments.
Fused silica tiles are chemically inert and highly resistant to most chemicals, acids and alkalis. This property makes them suitable for applications involving corrosive or reactive environments, thus maintaining their stability and longevity.
High mechanical strength
Fused silica bricks have good mechanical strength and are able to withstand stresses and loads. Structural integrity is maintained even when subjected to weight and stress in high temperature environments.
Transparent to infrared (IR) radiation
Fused silica tiles are extremely transparent to infrared radiation, allowing for efficient heat transfer. This property is beneficial in applications where precise control of heat distribution or infrared heating is required.
Fused Silica Brick is an excellent electrical insulator and is therefore suitable for applications where electrical conductivity needs to be minimized.
Fused silica bricks are widely used in the glass manufacturing industry. Fused silica bricks are used as a lining material for glass furnaces, tank furnaces and regenerators due to their resistance to high temperatures, thermal shock and low thermal conductivity. It helps to maintain a stable and efficient heat distribution to ensure smooth glass production.
Fused silica bricks are used in the metallurgical industry, such as blast furnace linings, hot blast ovens and coke ovens. Its resistance to high temperatures and thermal shock enables it to withstand the high heat and thermal cycling of these processes.
Applications for fused silica bricks in the semiconductor industry include diffusion furnaces and epitaxial reactors. Its high purity and low contamination properties make it ideal for ensuring a clean and controlled environment during semiconductor processing.
Fused silica bricks are used in chemical processing plants involving aggressive substances and high temperatures. Due to its resistance to chemical attack and stability in aggressive chemical environments, it can be used in reactors, kilns and furnaces.
High Temperature Furnaces
Fused silica bricks are used as a lining material for a variety of high-temperature furnaces, such as ceramic kilns, incinerators and heat treatment furnaces. Their high temperature resistance, thermal shock resistance and insulating properties contribute to efficient thermal management and energy efficiency.
Fused silica brick can be used in power generation facilities, especially boilers and incinerators. It can withstand the high temperatures and thermal cycling in these environments, maintaining the structural integrity of the equipment.
Research and Development
Fused silica bricks are used in laboratory and research facilities, such as high-temperature crucibles, sample holders and specialized furnace components. Its properties make it suitable for creating controlled and stable environments for a variety of experiments and processes.
|Item||Fused Silica Brick|
|SiO2 ( %)||≥99|
|Al2O3 ( %)||≤0.3|
|CaO ( %)||≤0.1|
|Bulk Density (g/cm3)||≥1.85|
|Apparent Porosity ( %)||≤18|
|Cold Crushing Strength (Mpa)||≥40|
|Refractoriness Under Load T0.6 (ºC)||≥1680|
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