Description
Potash feldspar is a key fluxing mineral in ceramic tile, tableware, and glaze formulation.
What it is
A potassium feldspar (orthoclase, KAlSi₃O₈) used as a flux in ceramic bodies and glazes.
Key applications
Used in tile, tableware, and glaze formulations to lower the vitrification and firing temperature and promote glass-phase formation during firing.
Why it matters to tile body engineers
Potash feldspar improves strength, translucency, and surface finish in the fired product, properties worth discussing directly with your formulation team when specifying a flux.
FAQ
What does a flux actually do in a ceramic body?
A flux lowers the temperature at which the ceramic body vitrifies, or becomes glass-like and dense, during firing. Without enough flux, a body may not fully vitrify at standard kiln temperatures.
Related products
Commonly sourced alongside Soda Feldspar, China Clay, Ball Clay, and Quartz Powder for full tile body formulation.









