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PORTLAND COMPOSITE CEMENT    CEM II  32.5 R     B-M (P-L)

Chemical analysis	Results (%)	Limit values
Silicon Oxide, % SiO2	24,84
Aluminium Oxide, % Al2O3	7,51
Iron Oxide, % Fe2O3	3,18
Calcium Oxide, % CaO	51,49
Magnesium Oxide, % MgO	1,55
Sulphur Oxide, % SO3	2,43	≤ 4,0%
Sodium Oxide, % Na2O	1,15
Potassium Oxide, % K2O	1,56
CI	0,0164	≤ 0,10%
Loss on Ignition % ( L.O.I)	6,63
Free lime	0,83
Total Additive	32,87	21-35%

Physical analysis	Results	Limit values
Initial Setting Time (minutes)	175	≥ 75
Final Setting Time (minutes)	265
Soundness/Expansion (mm)	1,0	≤ 10
Specific Surface Area Blaine (cm2/g)	3851
2 days - Compressive Strength (MPa)	15,7	≥ 20
7 days - Compressive Strength (MPa)	28,9
28 days - Compressive Strength (MPa)	38,6	≥ 32,5; ≤ 52,5