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Fused Calcium Aluminate Slag

Introduction of Fused Calcium Aluminate Slag

Fused Calcium Aluminate slag for Metallurgy is a kind of auxiliary material for steelmaking as it speeds up secondary metallurgy process, especially faster desulphurization. Fused calcium aluminate slag is produced through selecting material of high quality, melting the material in electro-furnace, cooling, crashing and screening into different sizes.

Advantages of the Fused Calcium Aluminate Slag

1)  Uniform chemical compositions, low melting point, high melting speed, and short smelting time;
2)  It has no fluoride and doesn't erode furnace lining and ladle, and it is compact, non-absorbent, and easy to storage as well;
3) Stable phase and fast dust-reducing speed, rapid desulfurization  effect stabilized at 60%, and suppresses phosphorus into molten steel;
4)  Improving the protective effect and reducing erosion to ladle lining.

Specification of the Fused Calcium Aluminate Slag

Items and grade FCA-1 FCA-2 FCA-3
CAO 49 – 54% 53 - 56% 39 - 43%
AL2O3 41 – 45% 32 - 37% 32 - 36%
SIO2 4.0% MAX 4%MAX 5.5% MAX
FE2O3 1.8% MAX 1.5% MAX 3% MAX
MGO 2.0% MAX 3% MAX 11 - 15%
TIO2 2.8%MAX 3% MAX 4% MAX


Sizes of the Fused Calcium Aluminate Slag

For Laddle Refining Slag:5-30mm, 5-50mm
Other sizes can be optimized by customer' requirement.

Application of the Fused Calcium Aluminate Slag

Improving steel quality
Improving productivity
Reducing costs
Protecting the environment.

Packing of the Fused Calcium Aluminate Slag

1000KG per big bag
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