Soda Feldspar

Soda feldspar, also known as sodium feldspar or Na-feldspar, is a group of minerals that primarily contain sodium aluminosilicates. It is a key raw material used in various industries due to its ability to act as a flux, similar to potash feldspar, though it differs in its chemical composition.
Key Uses:

1. Ceramics and Glassmaking: Soda feldspar lowers the melting temperature of ceramic mixtures and glass batches, promoting efficient melting and forming. It is often used in making dinnerware, sanitary ware, and tiles.
2. Glazes and Enamels: It enhances the chemical stability and appearance of ceramic glazes and enamel coatings.
3. Fillers and Extenders: Like potash feldspar, soda feldspar is used in paints, plastics, and rubber industries as a filler.

Differences from Potash Feldspar:

1. Chemical Composition: Soda feldspar has more sodium (Na₂O) and less potassium (K₂O) compared to potash feldspar.
2. Melting Point: Soda feldspar has a slightly lower melting temperature than potash feldspar, making it useful in industries that need more specific thermal properties.