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PORTLAND CEMENT CONFORMING TO

EN 197-1:2011/CEM I 52,5 N

Items	Units	Specification	Test Results	Test Method
SiO₂	%	≤ 22.0	21.00	EN 196-2
Al₂O₃	%	-	5.00
Fe₂O₃	%	-	3.10
CaO	%	≥ 60.0	61.00
MgO	%	≤ 5.00	2.75
SO₃	%	≤ 3.5	2.75
K₂O	%	-	0.45
Na₂O	%	-	0.15
R₂O (TOTAL ALKALI)	%	-	0.45
Loss on Ignition, (LOI)	%	≤ 5.00	2.50
Insoluble Residue	%	≤ 5.00	0.55
Chloride content	%	≤ 0.10	0.02	EN 196-21
Physical and Mechanical Properties
Finess test				EN 196-6
- Blaine	cm²/g	≥ 3200	4100
- Retained content on sieve45mm	%	< 12.0	10.3
Time of setting - Initial set - Final set	Minutes	≥ 75 < 420	130 200	EN 196-3
Soundness (LeChatelier)	mm	< 10.0	1.0	EN 196-3
Compressive strength	MPa			EN 196-1
2 Days		≥ 20.0	29.0
3 Days		-	36.0
7 Days		-	50.0
28 Days		≥ 52.5	60.0

Note: R₂O = %Na₂O + 0.658 X % K₂O

PORTLAND CEMENT CONFORMING TO

EN 197-1:2011/CEM II 42,5 R

Items	Units	Specification	Test Results	Test Method
SiO₂	%	-	21.01	EN 196-2
Al₂O₃	%	-	5.10
Fe₂O₃	%	-	3.60
CaO	%	≥ 55.0	58.00
MgO	%	≤ 4.00	2.75
SO₃	%	≤ 3.00	2.56
Loss on Ignition, (LOI)	%	≤ 9.00	7.00
Insoluble Residue (IR)	%	≤ 7.00	6.00
Na₂O	%	-	0.14
K₂O	%	-	0.31
Chloride content	%	≤ 0.10	0.03	EN 196-21
FreeCaO	%	-	0.50
C₃S	%	-	66.99	Calculation
C₂S	%	-	9.69
C₃A	%	-	7.42
C₄AF	%	-	10.95
Total Alkali		-	0.34	EN 196-2
Physical and Mechanical Properties
Finess test				EN 196-6
- Blaine	cm²/g	≥ 3200	3800
- Retained content on sieve45mm	%	≤ 12.0	6.5
Time of setting - Initial set - Final set	Minutes	≥ 75 < 420	145 200	EN 196-3
Soundness (LeChatelier)	mm	< 10.0	1.0	EN 196-3
Compressive strength	MPa			EN 196-1
2 Days		≥ 20.0	24.0
3 Days		-	28.0
7 Days		-	40.0
28 Days		≥ 42.5	53.0

PORTLAND CEMENT CONFORMING TO

EN 197-1:2011/CEM II 42,5 N

Items	Units	Specification	Test Results	Test Method
SiO₂	%	≤ 27.00	24.41	EN 196-2
Al₂O₃	%	≤ 6.50	5.90
Fe₂O₃	%	≤ 4.50	3.90
CaO	%	≥ 52.00	55.00
MgO	%	≤ 5.00	2.75
SO₃	%	≤ 3.5	2.20
Loss on Ignition, (LOI)	%	≤ 11.00	7.00
K₂O	%	-	0.46
Na₂O	%	-	0.1
R₂O (TOTAL ALKALI)	%	-	0.40
Insoluble Residue	%	≤ 8.0	6.50
Chloride content	%	≤ 0.10	0.03	EN 196-21
Physical and Mechanical Properties
Finess test				EN 196-6
- Blaine	cm²/g	≥ 3200	3800
- Retained content on sieve45mm	%	≤ 12.0	9.5
Time of setting - Initial set - Final set	Minutes	≥ 75 < 420	145 200	EN 196-3
Soundness (LeChatelier)	mm	< 10.0	1.0	EN 196-3
Compressive strength	MPa			EN 196-1
2 Days		≥ 10.0	22.0
3 Days		-	26.0
7 Days		-	37.0
28 Days		≥ 42.5	48.0