COMPOSITION OF CEMENT



COMPOSITION OF CEMENT

It is actually a mixture of so many compounds, that each one of these having its own individual properties. An average composition of a good sample of cement is:

i-       Lime (CaO)       = 61.5%
ii-Silica (Si02)=22.5%
iii-Alumina (Al203)=7.5%
iv-Magnesia (MgO)=2%
v-Iron Oxide Fe203=2%
vi-Sodium Oxide Na20=1.5%
vii-Potassium Oxide K20 =1.5%
viii-Sulfur Trioxide SO3      =1%

 

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