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SODIUM FELDSPAR

Sodium feldspar, also known as soda feldspar or albite, is a member of the feldspar mineral group that contains a high percentage of sodium. Sodium feldspar powder is a feldspar product with a high concentration of sodium oxide (Na₂O), typically sourced from sodium-rich minerals like albite and oligoclase. This powder is commonly used in the ceramics industry, particularly for producing porcelain and sanitary ware. It aids in reducing the melting point of ceramic materials, improving their plasticity, and enhancing the quality of glazes. Additionally, soda feldspar powder is also employed in the production of glass, enamel, and other materials that require a high alkali content. Sodium feldspar is more commonly used in the glass industry, while potassium feldspar is favored in ceramics and glazes due to its higher melting point.

Aplications

Ceramics, Glass, Abrasives, Plastics, Rubber, Electronics, Frit Industry, Enamel Industry

Chemical compositions Grade wise mass%

Contents S1 S2
SiO2 66.5- 71.50 72.00-75.00
Al2O3 18.3-20.60 14.00-16.50
TiO2 0.05-00.10 00.20-00.30
CaO 0.14-00.84 00.30-0.4
Mgo 0.10-00.15 00.09-0.12
K2O 0.34-00.44 00.1-00.20
Na2O 9.50-11.60 08-9.50
Fe2O3 0.07-00.14 00.12-00.30
L.O.I. 0.15-00.85 00.50-00.70
Fired Colour @1220”C Glossy /Clean Melt Creamy / Yellowish Melt with Dir

Creamy /yellowish melt with dirty picks

The primary forms in which soda feldspar is supplied include:

1. Lumps / Chunks

2. Powder

3. Granules