Table 2 Typical composition and properties of Class G cements.

From: Cementitious composite materials for thermal energy storage applications: a preliminary characterization and theoretical analysis

Oxide

[wt.%]

Phase

[wt.%]

\({\hbox {SiO}}_2\)

21.7

C3S

66

CaO

62.9

C2S

18

\({\hbox {Al}}_2 {\hbox {O}}_3\)

3.2

C3A

7

\({\hbox {Fe}}_2 {\hbox {O}}_3\)

3.7

C4AF

9

MgO

4.3

  

\({\hbox {SO}}_3\)

2.2

  

\({\hbox {Na}}_2 \hbox {O}\)

0.54

  

Loss on ignition

0.74

  

Insoluble residue

0.14