Sodium Feldspar for Arts and Crafts Porcelain

In the past ceramic production, according to the traditional point of view, the flux raw materials used in feldspar porcelain blanks are potassium feldspar and potassium micro plagioclase. Although potassium feldspar contains a small amount of soda feldspar or anorthite, its content is lower than potassium feldspar. The chemical composition in the ceramic blank formula requires Kz0/Na203, so sodium feldspar has been neglected for a long time. However, with the research and development of albite-based Hunan jade porcelain, the traditional view began to be broken, and the role of albite-feldspar was re-recognized. Now, Na feldspar is favored for its abundant resources, low cost, and the advantages of lowering the firing temperature and reducing energy consumption.

Sodium feldspar powder for high-quality ceramics Uses: Mainly used in ceramics, electric porcelain, enamel raw materials, and glazes. Sodyum feldspat powder is mainly used to reduce the firing temperature of ceramics. play a role in aiding fusion. It is also one of the main raw materials of ceramics.

Flote sodyum feldspat is a kind of feldspar, which is a common feldspar mineral, and is sodium aluminosilicate (NaAlSi3O8). Soda feldspar is generally a glassy crystal, which can be colorless or white, yellow, red, green, or black. It is the raw material for making glass and ceramics. Sodium feldspar is found in many rocks, and such minerals are called rock-forming minerals. In addition to being used as industrial raw materials, albite minerals account for more than 30% of the ceramic industry, and are also widely used in other industries.

Hunan jade porcelain based on Albite-Feldspar was first used in arts and crafts porcelain, which uses albite powder as the main flux, with an additional amount of 30%-40%, and a firing temperature of 1200-2800°C. In addition to being used in arts and crafts porcelain, Na feldspat powder has begun to enter the field of daily-use porcelain. A large porcelain factory in China introduced sodyum feldspat powder on the basis of the original production formula to produce daily-use high-grade fine porcelain supporting products so that the firing temperature from The original 1400°C has been reduced to the current 1280°C, which has been basically successful. The stoneware cups produced by more than a dozen stoneware factories also add 20%-30% albite powder to improve product quality and reduce production costs.

In short, the proportion of sodium feldspar powder in the solvent is gradually increasing, and the application is gradually expanding.


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