Popis poptávky
Ordinary portland cement
Specifications 42.5 r
Silicon dioxide 21.00
Aluminum oxide 5.50
Ferric oxide 3.30
Calcium oxide 65.60
Magnesium oxide 1.40
Sulphur trioxide 2.70
Loss of ignition 1.40
Tricalcium silicate 60.00
Dicalcium silicate 15.00
Tricalcium aluminoferrice 9.76
Physical and mechanical properties
Autoclave expention 0.02
Initial setting time(vicat) 105 minutes
Final setting time (vicat) 133 minutes
Compressive strength
@03 days 230 KG/cm2
@07 days 305 KG/cm2
@28 days 420 KG/cm2
Kategorie poptávky, klasifikace