Samples

MK1

MK2

MK3

MK4

Specific gravity (g/cm³)

2.58

2.52

2.62

2.56

Surface area (m²/g)

4.15

6.77

3.83

3.22

L.O.I

2.4

2.28

2.44

2.56

Metakaolinite content (wt%)

31

57

27

40

Amorphous phase content (wt%)

64

62

66

55