Table 3 Chemical properties of OPC, GGBFS and SF (according to the supplier).

From: Thermo-mechanical behavior and spalling resistance of alkali-activated slag versus cement mortars under rapid high-temperature exposure

Materials

Chemical properties

SiO2

AL2O3

Fe2O3

CaO

MgO

SO3

K2O

Na2O

TiO2

P2O5

MnO

Cl

L.O. I

OPC

21.2

4.67

5.05

64.73

1.5

2.05

0.22

0.3

–

–

–

–

2.6

GGBFS

38.25

7.64

0.53

34.2

7.73

3.01

1.35

1.14

0.54

≥ 0.01

5.17

0.18

≤ 0.01

SF

88.9

0.29

0.94

0.2

0.36

5.12

–

0.52

–

–

–

–

3.4

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