PORTLAND CEMENT GRADE 52.5

TRADE NAME: PORTLAND CEMENT GRADE 52.5, GROUP: HARD COMMODITY - details see: https://www.buildingsupplieshub.com/portland-cement-grade-52-5-10083445

Color: Grey

PORTLAND CEMENT CONFORMING TO

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

ITEMS	UNITS	SPECIFICATIONS	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 SIEVE45M	%	< 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