Type of cement + origin

Insoluble matter content (%)

Fire loss (%)

SO₃ content (%)

CaO content (%)

MgO content (%)

Na₂O and K₂O content (%)

Lukala cement (Bas Congo)

Standard

3.75 ± 0.001

4.16 ± 0.001

1.14 ± 0.001

63.91 ± 0.001

0.84 ± 0.001

0.33 ± 0.001

0.85 ± 0.15

4.00 ± 0.25

2.00 ± 0.10

63.5 ± 6.5

5.00 ± 0.40

1

Lubudi cement (Katanga)

Standard

5.79

9.47

2.13

58.82

1.01

0.23

0.85 ± 0.15

4.00 ± 0.25

2.00 ± 0.10

63.5 ± 6.5

5.00 ± 0.40

1

Chilanga cement (Zambia)

Standard

4.86

7.31

1.39

61.59

1.57

0.74

0.85 ± 0.15

4.00 ± 0.25

2.00 ± 0.10

63.5 ± 6.5

5.00 ± 0.40

1

White cement (Spain)

Standard

4.39

4.79

1.18

68.67

1.31

0.27

0.85 ± 0.1 5

4.00 ± 0.25

2.00 ± 0.10

63.5 ± 6.5

5.00 ± 0.40

1