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Alumina Hollow Sphere Insulating and Fire-Resistant Bricks

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Insulation bricks

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Product Description

Alumina hollow sphere products are manufactured by high-temperature sintering, using high-purity alumina hollow spheres as the primary raw material. These products boast advantages such as low bulk density, high compressive strength, low thermal conductivity, and excellent thermal stability. They are widely used as linings in high-temperature kilns, including ammonia synthesis liquefaction furnaces and ethylene gas-producing furnaces. Additionally, they exhibit strong resistance to corrosive gases and molten slag, making them ideal for applications where temperatures remain below 1800°C.