Detailed Product Description

Ground Granulated Blast furnace Slag(GGBS)

Price: On base FOB Tianjin XinGang port ,China-Very competitive-USD38-40 MT.

Port: Tianjin XinGang

Minimum order: 1000 MT

Supply Ability: 50,000 MT per month

Package: 1.5 metric tons per pp bag or bulk packing

Payment: L/C, T/T

Place of origin: HeBei China

On load: 12.000 metric tons one day

Delivery time: 5 days later after contract

Physical properties:

Glass Content: 98.7%

Cement Fineness: 450m2/kg

Density: 2.89g/cm3

Mortar Compressive strength: 13.5N/mm2 for 3days,32.5N/mm2 for 7days,53.0N/mm2for 28days

Initial setting time, vicat, minutes: 280

Activity index: 58%for 3days, 83%for 7days, 106%for 28days

Chemical composition:

Cao     38.6%

SiO2    34.48%

Al2O3   14.49%

Te2O3   15.23%

Mgo     9.22%

LOI     0.09%

Moisture content:      0.1%

Chloride:             0.035%

Sulphate:             0.16%

Mn2O3:              0.25%

SiO2+Cao+Mgo:       82.1%

(Cao+Mgo)/SiO2:      1.4

Cao/SiO2             1.1

 Blast furnace slag micro-powder, as a new-type material to mixed with high-performance concerete, has a change advantages of different performance of concrete, it can substitute the consumption in various kinds of concrete and cement products equivalently, greatly change the comprehensive performance of the concrete and cement products.

Blast furnace slag micro-powder has good water-retaining property, fine plasticity, little water exudation, good manipulation nature. Water and hot absorbed slowly, help to prevent risk in the crack caused by warm rising in large area of concrete. More calcium aluminite crystal, compensate the shrink caused by too much powder. Harden concrete have good resistance of sulphate corrode, chlorine salt dialy sising, and seawater corrode, carbonization, alkali material reaction. Improve the long-term intensity of hardenning the concrete, have good durability and wearability.

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