Compound

Cement

Silica Fume

SiO2

21.5%

95.8%

Al2O3

4.45%

0.18%

Fe2O3

3.15%

0.19%

CaO

64.10%

0.30%

K2O

NA

0.29%

Na2O

0.52% (Equiv.)

0.20%

MgO

1.90%

0.20%

SO3

2.89%

0.11%