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Tundish covering agent
    Publish time 2018-03-27 08:51    
Tundish covering agent

Tundish magnesia covering agent: Lightly burned magnesium (MgO≥91%) as the main raw material, made by crushing, grinding, first-stage stirring, secondary stirring, spray granulation, screening and other processes, the product is empty Granular.
The tundish magnesia cover agent function is:
(1) Thermal insulation to prevent heat dissipation;
(2) Absorbing floating inclusions (such as Al2O3, calcium aluminates);
(3) Insulate air, prevent oxygen in the air from entering the molten steel, and prevent secondary oxidation.

Product index

Project

MgO

CaO

SiO2

Melting point

Bulk density

Granularity

index

≥88%

1-2%

3-5%

1400℃

0.7±5g/cm3

0.1mm-0.1mm≥90%