Sodium Feldspar in the Ceramic Industry

Sodium feldspar is an important raw material for ceramic industry. It can lower the glass transition temperature of the ceramic body, improve the brightness and clarity of the ceramic glaze, forms a uniform and stable glaze layer on ceramic surfaces……

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Description of Sodium Feldspar

Sodium feldspar（also named Soda feldspar or Albite） is an important raw material for ceramic industry. It can lower the glass transition temperature of the ceramic body, improve the brightness and clarity of the ceramic glaze, forms a uniform and stable glaze layer on ceramic surfaces and give ceramic products a durable and attractive surface smoothness.

Sodium feldspar has good compactibility, high heat resistance and low cost. It is widely used in the production of ceramic products such as sanitary ware, tableware, and ceramic tiles. It helps to improve the performance and cost-effectiveness of the final product, so it’s a popular choice for manufacturers.

100 Mesh and 200 Mesh Sodium Feldspar used in the Ceramic Industry

Sanitary Ware Production:

• Porosity Reduction: Sodium feldspar plays a crucial role in reducing the porosity of sanitary ware. Its fluxability allows for a dense and vitrified structure, makes the products less porous and leads to more water absorption resistance. This improves the hygiene and lifespan of sanitary ware items.

• Resistance to Chemicals: Sodium feldspar enhances the resistance of sanitary ware to chemical agents, such as acids and detergents. This makes the products more suitable for everyday use in bathrooms and kitchens, as they come into contact with various cleaners.

• Surface Finish: Soda feldspar contributes to achieving a smooth and lustrous surface finish on sanitary ware. Its presence in glazes or engobes ensures a glossy and visually appealing appearance, enhancing the overall aesthetic of bathroom fixtures and tiles.

Glazes and Engobes:

• Fluxing Agent: As a flux, Sodium feldspar lowers the melting point of the glaze or engobe composition. This promotes the fusion of other ingredients, ensuring a smooth, glassy surface when fired. Albite helps to create a durable and impermeable layer that protects the ceramic body while enhancing its appearance.

• Color Enhancement: Soda feldspar enhances color development in glazes and engobes. Its high fluxing properties aid in the proper dispersion of colorants, resulting in vibrant and consistent colors on the ceramic surface. This allows for intricate designs and patterns to be achieved with precision.

Pottery and Ceramics Production:

• Formation of clay bodies: Sodium feldspar mixed with clay used for pottery making. Its high fluxability ensures the fusion and vitrification of clay particles during firing, resulting in a robust and durable ceramic body.

• Shape and Structure: Sodium feldspar contributes to the shaping and structuring of ceramic pieces. Its malleable and machinable characteristics make clay easier to shape and carve, allowing artists and potters to create intricate designs and achieve desired shapes.

• Color Rending: Sodium feldspar contributes to the color rending of ceramics. Its presence in the clay body or glaze formulation influences the final color of the fired ceramic product. By carefully adjusting the amount of Soda feldspar, potters can obtain a range of colors, from earthy to vibrant hues.

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