About Horton Group

HORTON Group, with more than 25 years experience in Metallurgy field, is dedicated to supplying top quality products in the Steel and Foundry Industry. Horton could provide quality products, expert technical support and high level of service for the customers worldwide. HORTON offers solution service for steel and Metallurgy industry.
Magnesite-Dolomite Brick


Horton series of magnesia-dolomite bricks are composite basic refractory products, made from magnesite and dolomite burned at high temperature or ultra-high temperatures. They can be applied in AOD/VOD refining furnace.

Specification MD-20 MD-30
CaO % 18-22 28-32
MgO% 75-79 65-69
∑(Al2O3+Fe2O3+SiO2) % ≤ 3 3
Apparent Porosity % 8 8
Cold Crushing Strength MPa ≥ 50 55
Refractoriness Under Load ℃ ≥ 1700 1700