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Potassium Feldspar

Feldspar the most essential ceramic material. It is the universal flux used in all types of ceramics bodies.

None of the mineral in the Feldspar group is found pure. Potash Feldspar (K2O-Al2O3-6SiO2) always contains some albite (Soda Feldspar- Na2OAl2O3-6SiO2).

Sodium feldspar:Feldspar the most essential ceramic material. It is the universal flux used in all types of ceramic bodies.

None of the mineral in the Feldspar Group is found pure. Soda Feldspars always contain some Anorthite (Limespar-CaO-Al2O3-2SiO2) Most commercial feldspars also contain iron oxide (0.04-0.15%) and traces of Magnesia.

K2O 10-12%
Na2O 2-2.5%
SiO2 68%
Al2O3 17%
Fe2O3 00.08%
CaO Negligible
TiO2 Nil
Mesh 200,250,300 BSS

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