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Ground Granulated Blast Furnace Slag(GGBFS)-葡京娱乐场pj78555
公布工夫:2012/3/17     公布人:管理员    阅读次数:9412次 

Ground Granulated Blast Furnace Slag(GGBFS)
                                         
      Ground Granulated Blast Furnace Slag (GGBFS) is obtained by quenching molten iron blast furnace slag (a by-product of iron and steel making) in water or stream, to produce a glassy granular product that is then dried and ground into a fine powder.
      Four production lines of GGBFS are imported from Germany Loesche’s LM 56.3 3S large slag roller vertical mill equipment and designed annual production capacity of 4.8 million tons. The draying capability of the Loesche mill allows the use of slag with moisture contents of 15% and more, it is provided to produce slag powder with a fineness of 4500cm2/g , to produce in line with the national standard GB/T18046-2008 of S75, S95,S105 and British Standard BS 6699.
 
SPECIFICATION (GGBFS)
1.Physical Properties
Test Items
GB/T18046 S95
BS 6699:1992
Density, g/cm3
Min.2.8
----------
Fineness, Blaine Test, m2/Kg
Min.400
Min.275
Ratio of Fluidity,%
Min. 95
----------
Initial Setting Time, Vicat, Minutes
---------
Min.60
Soundness Expansion, mm
----------
Max.10.0
 
7 days
28 days
Activity Index, %
Compressive Strength, N/mm2
Min.75
Min.95
Min.12.0
Min.32.5
2.Chemical Composition
(1)Insoluble Residue, %
---------
Max.1.5
(2)Magnesia(MgO), %
Max.12.0
Max.14.0
(3)Sulphur(S), %
---------
Max.2.0
(4)Sulphate(SO3), %
Max.4.0
Max.2.5
(5)Loss On Ignition(LOI),%
Max.3.0
Max.3.0
(6)Manganese Oxide(Mn2O3), %
---------
Max.2.0
(7)Chloride Ion Content(Cl-), %
Max.0.06
Max.0.10
(8)Chemical Modulus
Sum(Cao+MgO+SiO2 ), %
(CaO+MgO)/SiO2, %
CaO/SiO2 , %
 
--------
--------
--------
 
Min.66.7
Min.1.0
Max.1.4
(9)Moisture Content, %
Max.1.0
Max.1.0
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