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Magnesia Refractory Bricks

Size: Customized

Working Temperature °C: > 1790

Application: They are widely used in the basic zone of metallurgical furnaces, nonferrous furnaces and regenerator of glass furnaces.

Description

Magnesia Refractory Bricks ,Basic refractory magnesium oxide content in more than 90%, the main crystalline phase to pericase. Magnesia brick have high refractoriness,alkali slag good performance, high load softening temperature, but poor thermal shock resistance.

Purity and firing temperature high magnesia brick , due to direct contact with periclase grains, known as a direct bonded Magnesia Refractory Bricks , fused magnesite as raw material made of brick that fused rebonding Magnesia Refractory Bricks.

Product Characteristics:

Magnesia Bricks with characteristics of multi mineral composition, strong alkalinity, high density.

Magnesia Brick is typical, the ability to resist the strong alkaline slag erosion.

Magnesia Bricks’ refractoriness is very high, generally can reach more than 2000 DEG C.

Magnesia Bricks load softening temperature is much lower than the refractoriness, is about 1500 degrees celsius.

Magnesia Bricks the thermal conductivity of magnesia brick is good ,low thermal insulation.

Magnesia Bricks thermal expansion, thermal shock stability.

Performance parameters:

 

Specification Magnesia Bricks
Brand MG-92 MG-95 MG-97 MG-98
MgO % ≥ 92 95 97 98
CaO % ≤ 2 1.7 1.3 1.2
SiO2 % ≤ 1.2 1 0.7 0.6
Fe2O3 % ≤ 1.2 1 0.8 0.5
Bulk Density≥ g/cm3 2.9 2.95 2.95 3
A.P. % ≤ 16 16 16 15
C.C.S (Mpa) ≥ 60 70 70 80
0.2mpa Refractoriness under load
T0.6 ≥ °C
1530 1650 1700 1700

Application Areas:

They are widely used in the basic zone of metallurgical furnaces, nonferrous furnaces and regenerator of glass furnaces.

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