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Table 17 Summary of European EN 197-1 classification of Portland cement types
Cement type
Notation
Constituents
Cement
Addition, %
clinker, %
CEM
Ι
Portland cement
CEM
Ι
95-100
-
CEM
ΙΙ
Portland-slag cement
CEM
ΙΙ
/A-S
80-94
6-20 blastfurnace slag
CEM
ΙΙ
/B-S
65-79
21-35 blastfurnace slag
6-10 silica fume 1
Portland-silica fume cement
CEM
ΙΙ
/A-D
90-94
Portland-pozzolana cement
CEM
ΙΙ
/A-P
80-94
6-20 natural pozzolana
CEM
ΙΙ
/B-P
65-79
21-35 natural pozzolana
CEM
ΙΙ
/A-Q
80-94
6-20 natural calcined
pozzolana
CEM
ΙΙ
/B-Q
65-79
21-35 natural calcined
pozzolana
Portland-fly ash cement
CEM
ΙΙ
/A-V
80-94
6-20 siliceous fly ash
CEM
ΙΙ
/B-V
65-79
21-35 siliceous fly ash
CEM
ΙΙ
/A-W
80-94
6-20 calcareous fly ash
CEM
ΙΙ
/B-W
65-79
21-35 calcareous fly ash
Portland-burnt shale cement
CEM
ΙΙ
/A-T
80-94
6-20 burnt shale
CEM
ΙΙ
/B-T
65-79
21-35 burnt shale
Portland-limestone cement
CEM
ΙΙ
/A-L
80-94
6-20 limestone
CEM
ΙΙ
/B-L
65-79
21-35 limestone
CEM
ΙΙ
/A-LL
80-94
6-20 limestone
CEM
ΙΙ
/B-LL
65-79
21-35 limestone
Portland-composite cement
CEM
ΙΙ
/A-M
80-94
6-20 of two more of any
mineral addition materials in
this table
CEM
ΙΙ
/B-M
65-79
21-35 of two more of any
mineral addition materials in
this table
CEM
ΙΙΙ
Blastfurnace cement
CEM
ΙΙΙ
/A
35-64
36-65 blastfurnace slag
CEM
ΙΙΙ
/B
20-34
66-80 blastfurnace slag
CEM
ΙΙΙ
/C
5-19
81-95 blastfurnace slag
CEM
Ι
V
Pozzolanic cement
CEM
Ι
V/A
65-89
11-35 of two more of silica
fume 1 , pozzolana, or fly ash
CEM
Ι
V/B
45-64
36-55 of two more of silica
fume 1 , pozzolana, or fly ash
CEM V
Composite cement
CEM V/A
40-64
18-30 blastfurnace slag and
18-30 of either pozzolana
or fly ash
CEM V/B
20-38
31-50 blastfurnace slag and
31-50 of either pozzolana
or fly ash
1
The proportion of silica fume is limited to 10%.
 
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