Introduction
Kaolinite is a naturally occurring, fine-grained, non-abrasive mineral renowned for its high brightness and exceptional whiteness, properties it retains even after calcination. It exhibits refractory qualities, maintaining color stability at elevated temperatures. Kaolin's low thermal and electrical conductivity make it an ideal insulating material for various ceramic and industrial applications. Furthermore, its hydrophilic properties facilitate easy dispersion in water, ensuring smooth processing and uniform particle distribution in ceramic formulations.
| Forming Characteristics | ||
| Plasticity: | Green Strength: | |
| One major advantage of kaolin is its ability to enhance the plasticity of ceramic materials during processing. Its excellent plasticity facilitates the shaping of ceramic products, making it particularly suitable for sanitaryware manufacturing. Through processes such as casting, pressing, and extrusion, kaolin's ductility enables it to achieve diverse forms with ease. | Kaolin positively impacts the strength and durability of sanitaryware. Its superior mechanical properties make products less prone to damage and help prevent cracking and deformation during firing, resulting in longer-lasting, more resilient fixtures. In the green state, it imparts strength to ceramic bodies, enabling safe handling without deformation prior to firing. | |
| firing | ||||||
| Heat Resistance: Kaolinite possesses a high melting point, maintaining its shape during high-temperature firing and enhancing the overall thermal stability of ceramics. This property ensures sanitaryware can withstand usage pressures while effectively preventing thermal cracking. | Bisque Firing Characteristics: Due to its high purity and low iron content (achieved through careful material selection), kaolinite exhibits a bright, pure white texture after firing, making it particularly suitable for porcelain and sanitaryware. The resulting surface is smooth and glossy, offering excellent visual appeal. This clay enables tiles to exhibit uniform color and surface texture throughout. | |||||
| Chemical Resistance: During firing, kaolinite transforms into mullite crystals. This key component enhances tile strength and chemical durability. Consequently, kaolinite is suitable for applications involving chemical exposure, such as in chemical processing. | Structural Integrity: Kaolin significantly reduces shrinkage and deformation rates during ceramic tile production. This property ensures tiles maintain their designed shape and dimensions, guaranteeing consistent sizing across all tiles. Simultaneously, kaolin minimizes the risk of defects during firing. | |||||
We conduct in-depth research into the interaction mechanisms between kaolin and products. Through close collaboration with our customers, we continuously develop high-value-added kaolin solutions to help enhance product performance, reduce production costs, and minimize carbon footprints.