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Buy good quality refractory clay fireclay fire resistant clay at low price made in India and China at Wedge. We assure high performance guarantee and offer complete solution supply & installation on Total Refractory management basis at lowest possible cost matching to your SOPs.


Refractory clay, also known as fire clay or refractory clay, is a type of clay that is specially formulated and processed to withstand high temperatures and harsh conditions without undergoing significant deformation or structural changes. It is widely used in the production of refractory materials such as bricks, castables, mortars, and coatings for various industrial applications where thermal stability, chemical resistance, and mechanical strength are required. Here are some key points about refractory clay:

  • Composition: Refractory clay is primarily composed of alumina (Al2O3) and silica (SiO2), along with other minerals and additives that contribute to its refractory properties. The specific composition can vary depending on the source of the clay and its intended application. Some refractory clays may also contain fluxes, stabilizers, and binders to enhance performance.

  • Properties:

    • High-temperature resistance: Refractory clay can withstand elevated temperatures, typically ranging from several hundred degrees Celsius to over 1700°C, depending on the grade and composition. This makes it suitable for use in high-temperature environments such as furnaces, kilns, boilers, and incinerators.
    • Thermal conductivity: Refractory clay has low thermal conductivity, which helps to insulate and retain heat in refractory linings, improving energy efficiency and reducing heat loss.
    • Chemical resistance: It is resistant to chemical attack from acids, alkalis, molten metals, slags, and other corrosive substances encountered in industrial processes, ensuring long-lasting performance and durability.
    • Mechanical strength: Refractory clay exhibits good mechanical strength, abrasion resistance, and impact resistance, making it suitable for forming refractory shapes and linings that can withstand mechanical stresses.
    • Plasticity and workability: Refractory clay often has good plasticity and workability when mixed with water, allowing it to be molded, shaped, and formed into various refractory products such as bricks, tiles, and shapes.
  • Applications: Refractory clay is used in a wide range of industrial applications, including:

    • Furnaces and kilns: It is used to manufacture refractory bricks, castables, and mortars for lining industrial furnaces, kilns, ovens, and incinerators in industries such as steelmaking, ceramics, glass manufacturing, cement production, and petrochemicals.
    • Foundries and metalworking: Refractory clay is used in crucibles, ladles, tundishes, molds, and other equipment in foundries and metalworking facilities to withstand molten metal temperatures and thermal cycling.
    • Thermal processing: It finds application in various thermal processing equipment such as rotary kilns, boilers, and reactors, providing reliable performance under extreme heat and harsh conditions.
    • Insulation: Refractory clay can also be used to produce insulating refractory materials that provide thermal insulation and reduce heat loss in refractory linings.

In summary, refractory clay is a crucial component in the production of refractory materials used in industries where high temperatures, chemical resistance, and mechanical durability are essential. Its unique properties make it suitable for forming refractory linings, shapes, and products that can withstand the rigors of demanding industrial processes.


Refractory clay | Fireclay

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