• Composition: Hydrous kaolin has the chemical formula Al2Si2O5(OH)4, representing a layered silicate mineral. It contains water molecules in its structure.
• Plasticity: Hydrous kaolin is known for its plasticity, which makes it suitable for use in ceramics and as a filler in various industries.
• Applications in Ceramics: Due to its plasticity and fine particle size, hydrous kaolin is commonly used in the ceramics industry as a raw material for the production of porcelain, pottery, and other ceramic products.
• Paper Industry: Hydrous kaolin is used as a filler in the paper industry to improve the opacity, brightness, and printability of paper products.
• Coatings and Paints: It is also employed as a pigment extender and functional filler in the coatings and paint industries to enhance opacity and reduce formulation costs.
• Rubber and Plastics: In rubber and plastic applications, hydrous kaolin is utilized as a reinforcing filler to improve strength, stiffness, and other mechanical properties.
• Adhesives and Sealants: The clay's rheological properties make it suitable for use in adhesives and sealants, providing thixotropic behavior and stability.
• Chemical Inertness: Hydrous kaolin is chemically inert, making it compatible with a wide range of formulations in various industries. It's important to note that while hydrous kaolin is versatile and widely used, its properties may vary based on the specific geological source. Different deposits of kaolin can have distinct characteristics, influencing their suitability for particular applications.

Overall, hydrous kaolin plays a crucial role in industries that require a fine, white clay with plasticity, and it serves as a valuable raw material in the manufacturing of diverse products.