Potterycrafts Feldspar Potash Flux

Pure Potash Feldspar is used as a high temperature flux in both clay bodies and glaze preparation.

Potash Feldspar is an excellent flux for stoneware glazes being a gentler flux than Soda Feldspar making glazes more viscous with a wider firing range.

Analysis:
11.3% K2O 3.2%Na2O
18.5% Al2O 65.8% SiO2