Kona F-4 Feldspar

Alternate Names: f4 feldspar, kona feldspar, kona f4 feldspar, f4 spar

Description: Soda feldspar

Oxide	Analysis	Formula
CaO	1.70%	0.16
K2O	4.80%	0.26
Na2O	6.90%	0.58
Al2O3	19.60%	1.00
SiO2	66.70%	5.76
	0.30%	-
LOI	0.20%	n/a
Oxide Weight		517.79
Formula Weight		518.83

This was a popular soda feldspar in North America, it is no longer available. Use MinSpar 200 instead.

Related Information

Materials	Feldspar In ceramics, feldspars are used in glazes and clay bodies. They vitrify stonewares and porcelains. They supply KNaO flux to glazes to help them melt.
Materials	NC-4 Feldspar
Materials	G200 HP Feldspar
Materials	Minspar 200
Typecodes	Feldspar The most common source of fluxes for high and medium temperature glazes and bodies.

By Tony Hansen
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