High alumina mortar is a specialized refractory material used to bond high alumina bricks and other refractory components. It is primarily composed of high-alumina content materials such as calcined bauxite, corundum, and alumina-rich clays, with alumina content typically ranging between 40% and 70%. This composition ensures that high alumina mortar can withstand extreme temperatures and harsh operating conditions, making it ideal for high-temperature environments.

Key properties of high alumina mortar include:

1. High Refractoriness: Withstanding temperatures up to 1,700°C or higher.
2. Strong Bonding: Forms a robust chemical and mechanical bond with refractory bricks.
3. Resistance to Thermal Shock: Maintains stability during rapid temperature fluctuations.
4. Chemical Resistance: Resists corrosion from acidic and basic slags, gases, and molten materials.
5. Easy Workability: Can be easily mixed and applied to create smooth, seamless joints.

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