Rice husk ash

Moisture: 2.9%

Loss on ignition: 13.4%

Sulfur trioxide (SO3): 0.8%

Carbon (C): 9.0%
Silicon dioxide (SiO2): 81.2%

Iron oxide (FeO3): 0.4% 

Aluminum oxide (Al2O3): 0.1%

Magnesium oxide (MgO): 0.4%

Calcium oxide (CaO): 0.6%

Sodium oxide (Na2O): 0.2%

Potassium oxide (K2O): 3.5%

Appearance density after compaction: 0.24%

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