Potash Feldspar

Article number:	P-1812
Availability:	In stock (15)

For medium and high temperature glazes - if a recipe lists feldspar or felspar it probably means Potash Feldspar.

K2O 11.3%, Na2O 3.2%, Al2O3 18.5%, SiO2 65.8% typical   

Glass jar is for illustration purposes only.