£0.43
Article number: M019-100g
Availability: In stock (3)

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.
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