水泥 425R

  CEM l I 42.5/R

Items	Units	Guaranteed	Test Method
Compressive Strength . 2 Days . 28 Days	MPa	≥ 20.0 ≥ 42.5	EN 196-1
. Initial setting time	Minutes	≥ 60	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 )	%	≤ 8.0
Soundness Expansion	mm	≤ 10	EN 196-3