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General Raw Materials
Ferric oxide. Natural iron.
Hi temp. flux.
Produces opacity in glaze. 5-10%
Crystaline Titanium dioxide.
Opacifer, Insoluble in water.
Source of magnesium in glazes
Blue colorant. Stronger than cobalt carb.
Glaze colorant - Strong flux
Coloring oxide, can act as a flux in clay bodies.
Ferric ox. Most popular iron.
Glaze colorant, 3% Max.
Manganese Dioxide – 20X40 Mesh
Mineral form of black iron ox.
Ferrous ferric ox. Concentrated red iron ox.
81% Fe2O3 Natural bright red iron
Weaker iron, High clay content
Iron & Manganese containing clay.
Natural Iron oxide.
Iron Chrome compound, Dark pigment.
Weak coloring agent in alkaline glaze
Hydrated ferric ox. with manganese dio.
Iron bearing clay, used as a colorant.
Yellow Body stain
AKA Epsom sales - glaze thickener