The FLUX POOL

Each has different properties that affect the glaze color and texture.

ALKALINE
ALKALINE EARTHS
METAL FLUXES
Sodium–Na
Calcium–Ca
Lead–Pb

Soda Ash
(Na2 CO3)

Whiting /Calcium Carbonate ** BEWARE
* Soda Feldspar Lime
Boric Ox.–B2O3) Dolomite–Ca2 Mg CO3
Borax
–Na2O 2B2O3 1OH2O
Gerstley Borate / Colemanite
Wollastonite (CaO3 SiO2)
ALKALINES ALKALINE EARTHS METAL FLUXES
Potassium–K Magnesium-Mg Zinc–Zn
* Potash Feldspar Talc–3MgO 4SiO2 H2O Zinc Oxide–ZnO
* Nepheline Syenite–
K2O 3Na2 4Al2O3 9SiO2
* Cornwallstone
(K2O Al2O3 3SiO2)
ALKALINES ALKALINE EARTHS METAL FLUXES
Lithium–Li Barium–Ba Strontium–Sr
* Petalite
(Li2O Al2O3 8SiO2)
(Note: toxic)
* Lepidolite
* Spodumene
(Li2O Al2O3 4SiO2)

* These contain Al – Flux – Si. Go to http://digitalfire.com (See oxide descriptions)

** Beware of toxic lead by other names: Litharge (lead monoxide), Plumbous Oxide (PbO), and Galena ( PbS, sulphide of lead)