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FN Feldspar

Alternate Names: Feldspar FN

Description: Potash-soda feldspar

Oxide Analysis Formula Tolerance
CaO 0.20% 0.03
K2O 4.20% 0.35
Na2O 4.70% 0.59
Al2O3 14.50% 1.10
SiO2 75.60% 9.76
Fe2O3 0.10% -
MgO 0.20% 0.04
Oxide Weight 771.79
Formula Weight 771.79

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Typecodes Feldspar
The most common source of fluxes for high and medium temperature glazes and bodies.
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