Descripción
CEMENTO 42.5
Cement
BS EN 197-1
Cement Notation
Clinker Content %
Content of other main constituents %
Portland Cement
CEM I*
95 - 100
-
Portland-slag cement
CEM II/A-S
CEM II/B-S*
80 - 94
65 - 79
6 - 20
21 - 35
Portland-silica fume cement
CEM II/A-D
90 - 94
6 -10
Portland pozzolana cement
CEM II/A-P
CEM II/B-P
CEM II/A-Q
CEM II/B-Q
80 – 94
65 – 79
80 – 94
65 – 79
6 – 20
21 – 35
6 – 20
21 - 35
Portland-fly ash cement
CEM II/A-V
CEM II/B-V*
CEM II/A-W
CEM II/B-W
80 – 94
65 – 79
80 – 94
65 – 79
6 – 20
21 – 35
6 – 20
21 - 35
Portland-burnt shale cement
CEM II/A-T
CEM II /B-T
80 – 94
65 – 79
6 – 20
21 – 35
Portland-limestone cement
CEM II/A-L
CEM II/A-LL*
CEM II/B-L
CEM II/B-LL
80 – 94
80 – 94
65 – 79
65 - 79
6 – 20
6 – 20
21 – 35
21 - 35
Portland-composite cement
CEM II/A-M
CEM II/B-M
80 – 94
65 - 79
6 – 20
21 - 35
Blastfurnace cement
CEM III/A*
CEM III/B*
CEM III/C
35 – 64
20 – 34
5 – 19
36 – 65
66 – 80
81 - 95
Pozzolanic cement
CEM IV/A
CEM IV/B
65 – 89
45 – 65
11 – 35
36 – 55
Composite cement
CEM V/A
CEM V/B
40 – 64
20 – 39
36 – 60
61 – 80
*BS EN-197-1 cements, UK manufactured
References
Specifying constituent materials for concrete to BS EN 206-1/BS 8500 – Cements Published Oct 2000 (reprinted Oct 2004)