Table 2 Chemical composition and Bogue’s components of cement.

From: Impact of carbon nanotubes on chloride diffusion in cement mortar under temperature gradient conditions

Description

Requirements as per BS EN 197-1:2011

Typical results

% Loss on ignition

≤ 5.0

3.40–3.50

% Insoluble residue

≤ 5.0

0.20–0.40

% SiO2

 

19–21

% Al2O3

 

5.0–5.2

% Fe2O3

 

3.2–3.4

% CaO

 

63–64

% MgO

 

1.3–1.5

% SO3

≤ 3.5

2.4–2.6

% Na2O equivalent

 

0.4–0.7

% Cl

≤ 0.10

0.01–0.03

% Free CaO

 

1.0–2.0

% C3S

 

53–55

% C2S

 

15–17

% C3A

 

7–9

% C4AF

 

9–11

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