Batch (raw) materials Glass-making sand
Silica
Boric raw materials
Al raw materials (feldspar, kaolin, phonolite)
Titanium white
Zirconium
Carbonates (Ca, Mg, Na, K)- soda, potash
Red lead
Colorants (Ni, Co, Cr, Mn, Cu, Fe, Cd, Se and others)
Fluorites, arsenic, phosphates
Sulphates, nitrates, chlorates
Glass cullet
Others