Potash & Soda Feldspar
Potash & Soda Feldspar in ceramic bodies , the main vitrifying (fluxing) agent is feldspar. The majority of white ware bodies contain good proportion of feldspar. It act as a flux. In the ceramic industries, the flux is defined as that portion of the body which develops glass phase. This is provided mostly by feldspar. the amount of flux in a ceramic body should be only in such a proportion as to develop the desired amount of vitrification. If excess of flux is added, the fired body becomes very glassy and consequently, brittle
- Feldspar is generally used for ceramics, glass, electrodes.
- The glass and ceramic industries are the major consumers of feldspar and account for 95% of the total consumption.