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Home  >>  Cement BS-12:1996 Cement
Cement BS-12:1996 Cement
Cement BS-12:1996 Cement
 
GB175-2007 42.5R equivalent to according to BS-12:1996
 
Chemical analysis
Unit
Control Range
Typical
SiO 2
%
23.5-25.5
24
Al 2 O 3
%
8.0-9.0
8.65
Fe 2 O 3
%
3.0-4.0
3.44
MgO
%
2.5-4.5
3.44
SO 3
%
2.1-3.0
2.62
F-CaO
%
<1.50
1.0
Loss on lgnition(LOI)
%
<5.0
3.12
Equivalent alkalies
%
<0.75
0.70
Physical analysis
 
 
 
Blaine Fineness
m 2 /kg
350-410
380
Time of Set(Vicat)
 
 
 
Initial Set
min
>90
120
Final Set
min
<300
280
Compressive Strength
 
 
 
3Days
Mpa
>25
27.9
28Days
Mpa
>46
48.1
 
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