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GBFS / GGBFS

Granulated Blast Furnace Slag or GBFS is the residue of combustion in the furnace of the steel refining process. It is obtained by quenching molten iron slag from a blast furnace in water or steam, to produce a glassy substance.

GGBFS or Ground Granulated Blast Furnace Slag is formed when GBFS is further processed or grounded using conventional cement clinker grinding technology.

Uses and Benefits of GBFS/GGBFS

Uses :

  • GGBFS or GBFS is the most used raw material in cement industry to make slag cement.
  • Lightweight fill
  • Raw material for the manufacture of glass
  • GBFS can be used as a substitute for sand in building materials
  • GGBFS can be used as a replacement for Portland cement

Benefits :

  • Reduced chloride permeability
  • Improved resistance to sulphate attack
  • Reduced heat of hydration in mass concrete
  • Better workability
  • Environmental friendly
  • Improved compressive and flexural strength
  • Reduced alkali-silica reaction
  • Less bleeding
  • Long slump retention
  • Better reflectance
  • Greater durability and thermal resistance
  • Brighter color and reduced electricity
Product GBFS/GGBFS
Standards ASTM C989, EN 15167, BS 6699
Packing 1.4 Ton Jumbo Bags, 25/40/50 kg bags as per client requirement
Monthly capacity 7000 tons GGBFS, 20000 tons GBFS
Shipping mode Containerized or Bulk

Test report of GGBFS

Sr No Parametrs Unit Result Obtained Protocol
1 Loss on Ignition % 1.6 EN 196-2:1987
2 Insoluable Residue % 0.85 EN 196-2:1987
3 Magnesia(Mgo) % 6.52 EN 196-2:1987
4 Sulphate Content as Sulphite % 0.15 EN 196-2:1987
5 Chloride(Cl) % 0.0102 EN 196-2:1987
6 Insoluable Residue % 92 EN 196-2:1987
7 Magnese Oxide % 0.039 EN 196-2:1987
8 (Cao+Mgo)/Sio2 % 1.22 EN 196-2:1987
9 Chemical Modulus (Cao/SiO2) % 0.96 EN 196-2:1987
10 Finesss by air permelability % 380 IS 4031-Part 2
11 Iron oxide as Fe2O3 % 1.83 BS 6699-1992
12 Sodium Chloride % 0.655 IS 4032-1985
13 Free Lime as Cao % 0.77 IS 4032-1985

 

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