水泥525N

  CEM I 52.5/N

Items	Units	Guaranteed	Test Method
Compressive Strength . 2 Days . 28 Days	MPa	≥ 20.0 ≥ 52.5	EN 196-1
. Initial setting time	Minutes	≥ 45	EN 196-3
Sulfate content (SO3)	%	≤ 4.0	EN 196-2
Chloride content ( Cl-)	%	≤ 0.1
Loss on Ignition (LOI)	%	≤ 5.0
Insoluble Residue ( IR )	%	≤ 5.0
Soundness Expansion	mm	≤ 10	EN 196-3