Application scenarios and usage methods of unshaped refractories

Mar 12, 2026

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This material is primarily used in high-temperature areas such as kiln bottoms, walls, and roofs, covering industries such as metallurgy, building materials, and chemicals. The appropriate form should be selected based on the characteristics of the area being treated: granules are suitable for filling large cavities, while powder is used for fine repairs or thin layer application.

 

The application process includes cleaning the substrate, mixing with water according to the specified ratio, pouring or applying in layers, compacting with vibration, and curing. Care must be taken to control the amount of water added (usually 5%-8%) to avoid strength loss. During curing, rapid temperature increases should be avoided to prevent cracking; the temperature rise curve in the material instructions must be strictly followed.

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