Calcium aluminate

Calcium aluminate (Premelted calcium aluminates residue) is mainly used for separating the impurity elements such as sulfur and oxygen in ladle refining of LF furnace, open hearth furnace and the converter furnace, and it can reduce the content of harmful elements and impurities, which is applicable for general carbon steel, high carbon steel, high and low alloy steel.

Over the years, Ruishi Company has been engaged in the research and development of Calcium aluminate. In recent years, based on technical support of Luoyang Institute of Refractories, referring to various formulations of different manufacturers at home and abroad, and adopting a variety of comments and suggestions of the users, Ruishi Company has made impressive performances in the whole production process from smelting, manufacturing to using of the fused calcium aluminate.  Calcium aluminate of our company takes the advantages of uniform chemical compositions, low melting point, high melting speed, and short smelting time. And it has no fluoride and doesn’t erode furnace lining and ladle, and it is compact, non-absorbent, and easy to storage as well. As Calcium aluminate has stable phase and fast dust-reducing speed, we can reduce the pollution of steel mill and make the refining technique mature. Without other impurities such as hydrogen, nitrogen, carbon, it can help to improve the quality of steel.

Fused Calcium aluminate

Specification Chemical composition(%)

CaO Al2O3 SiO2 Fe2O3 TiO2 MgO

A 53-59 30-38 ≤3.5 ≤1.5 ≤2.0 ≤1.0

B 50-56 35-44 ≤4.0 ≤2.0 ≤2.0 ≤1.0

C 47-53 41-45 ≤3.5 ≤1.5 ≤2.0 ≤1.0

D 60-65 27-33 ≤5.0 ≤2.0 ≤2.5 ≤1.0

E 67-72 23-27 ≤5.0 ≤2.5 ≤2.5 ≤1.0

Sintered Calcium aluminate

Specification Chemical Composition(%)

CaO Al2O3 SiO2 Fe2O3 TiO2 MgO

A ≥40 50-55 ≤5.0 ≤2.5 ≤2.5 /

B 53-59 30-38 ≤5.0 ≤2.5 ≤2.5 /

C 50-56 35-44 ≤5.0 ≤2.5 ≤2.5 /

Q1. Will the FREE SAMPLES be provided for buyers?

YES. We will provided FREE SAMPLE about 1kg

Q2. How about the express fee?

Our company's policy is the buyer pay for express fee.

Q3. Is there QUALITY REPORT for the products?

YES. We provide quality report of our company or CIQ,SGS according to client's requirement.

Jessie Su QQ:495132098