POTASSIUM FELDSPAR
Items Unit Specification Typical
Chemical Composition  SiO2 % 65--70 71.5
Al2O3 % 17--20 19
K2O % 13--15 13.7
Fe2O3 % ≤0.10 0.08
Na2O % 0.5--1.5 3.0 
L.O.I (1000℃） % 0.3  
Moisture: (105℃) %            ≤0.15
Hardness: Mohs *       6-6.5
Size avalible: Powder mesh 80mesh, 120mesh, 200mesh, 325mesh…etc.
Application: in Ceramics Industry, Glass materials, Abrasive materials…etc.
 

 
 

 
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