Raw material

Basic raw material Extra raw material
Name Source
Firers
Silicon dioxide - Silica Sand, Quatzite
Boric Oxide Boric Acid, Borax
Phosporic oxide Calcium phosphate, Sodium phosphate
Fluxing Agents, Stabilisers
Sodium oxide Sodium chloride or salt, Sodium solphate
Potassium oxide Potassum carbonate
Calcium oxide Calcium carbonate, Dolomite
Magnesium oxide Magnesite, Dolomite
Aluminium oxide Aluminium hydroxide, Kaolin
Barium oxide Barium Carbonate, Barium Nitrate
Lead oxide Minium, Litharge
Zinc oxide White Zinc, Zinc carbonate
Refining agents
White Arsenic Antimony

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