Kaolin (Plastic)

Element Result % SiO₂ 45-50 TiO₂ 1-2 Al₂O₃ 32-38 Fe₂O₃ 0.2-0.7 MgO 0-0.3 CaO 0-0.5 Na20 0-0.1 K₂O 0.1 L.O.I 11-13