Ordinary Portlande Cement Po42.5R

Name Ordinary Portland Cement Grade PO42. 5R
According To CHINA GB175-1999 Quantity 12KG
EXAMINE ITEM UNTT GB175-1999 FINAL DATA

Fineness Specific Surface m2/kg
0. 08mm Tail Over % ≤10.0 0.9
Setting Time Initial Set min ≥45min 3: 27
Final Set min ≤10h 4: 40
Folding Strength 3Days Mpa ≥4.0 6.2
28Days Mpa ≥6.5 8.3
Compressive Strength 3Days Mpa ≥21.0 31.2
28Days Mpa ≥42.5 49.7
Invariability Eligible Eligible
SO3 % ≤3.5 2.07
MgO % ≤5.0 2.9
Loss Ignitilon % ≤5.0 2.13