Portland Cement GB175-2007 P.O 42.5 DATA:
ITEMS Examine data Mandatory Targets Standard
MgO(%) 2.58 Max5.0 GB/T 176-1996
SO3 (%) 2.64 Max3.5 GB/T 176-1996
LOI(%) 3.2 Max5.0 GB/T 176-1996
Fineness(80p m residue on sieve)(%) 5.0 Max10.0 GB/T 1345-2005
Setting Time: Initial 180 Min45 GB/T 1346-2001
Setting Time: Final 240 Max600 GB/T 1346-2001
Soundness(pat test) 0.1 Max0.5 GB/T 1346-2001
Strength (3 day):Bending Strength (Mpa) AV=5.6 Min3.5 GB/T 17671-1999
Strength (3 day):Compressive Strength(Mpa) AV=25.5 Min16.0 GB/T 17671-1999
Strength (28 day):Bending Strength (Mpa) AV=9.1 Min6.5 GB/T 17671-1999
Strength (28 day):Compressive Strength(Mpa) AV=48.1 Min42.5 GB/T 17671-1999
