|
ITEMS
|
Examine data
|
Mandatory Targets
|
Standard
|
|
MgO(%)
|
3.3
|
Max5.0
|
GB/T 176-1999
|
|
SO3 (%)
|
2.68
|
Max3.5
|
GB/T 176-1999
|
|
LOI(%)
|
3.8
|
Max5.0
|
GB/T 176-1999
|
|
Fineness(80p m residue on sieve)(%)
|
2.4
|
Max10.0
|
GB/T 1345-1991
|
|
Setting Time: Initial (min)
|
235
|
Min45
|
GB/T 1346-2001
|
|
Setting Time: Final (min)
|
330
|
Max600
|
GB/T 1346-2001
|
|
Soundness(pat test)
|
qualified
|
qualified
|
GB/T 750
|
|
Strength (3 day):Bending Strength (Mpa)
|
4.7
|
Min4.0
|
GB/T 17671-1999
|
|
Strength (3 day):Compressive Strength(Mpa)
|
25.2
|
Min21.0
|
GB/T 17671-1999
|
|
Strength (28 day):Bending Strength (Mpa)
|
8.0
|
Min6.5
|
GB/T 17671-1999
|
|
Strength (28 day):Compressive Strength(Mpa)
|
49.6
|
Min42.5
|
GB/T 17671-1999
|
English
Chinese
Cement GB175-2007 P.O42.5R CEMENT
