Chemical Composition Of Rice Husk Ash February 5, 2020 6:12 am Byadmin InUncategorized 0 Facebook Twitter Google+Chemical compositionRice husk ashCement type Fly ash SiO2 (%)93.020.242.1Al2O3 (%)0.175.4021.0Fe2O3 (%)0.352.907.12SiO2 + Al2O3 + Fe2O3 (%)93.528.570.2SO3 (%)0.112.300.70CaO (%)0.9163.814.8MgO (%)0.421.502.00Na2O (%)0.632.720–2K2O (%)2.820.300–5LOI4.702.007.31