• September 15, 2020
    rice husk ash

    Micro Silica And Silica Fumes

    5:16 am By InUncategorized
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    Micro silica contains trace amounts of heavy metal oxides and organic deposits, which originate from natural raw materials. … The advantages of using micro silica can be considerable as it reduces thermal cracking caused by the heat of cement hydration and can improve durability to attack by sulphate and acidic waters. Several materials have recently […]

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  • February 5, 2020

    Chemical Composition Of Rice Husk Ash

    6:12 am By InUncategorized
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    Chemical composition Rice husk ash Cement type Fly ash SiO2 (%) 93.0 20.2 42.1 Al2O3 (%) 0.17 5.40 21.0 Fe2O3 (%) 0.35 2.90 7.12 SiO2 + Al2O3 + Fe2O3 (%) 93.5 28.5 70.2 SO3 (%) 0.11 2.30 0.70 CaO (%) 0.91 63.8 14.8 MgO (%) 0.42 1.50 2.00 Na2O (%) 0.63 2.72 0–2 K2O (%) 2.82 0.30 0–5 LOI 4.70 2.00 7.31  

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