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Refractory Products

Magnesia Alimina Spinel Bricks

Characteristics of Magnesia-Alumina Spinel Brick and Magesia-zron spinel Bricks:


ltems

index
MgO
%
Al2O3
%
Fe2O3
%
SiO2
%
ZrO2
%

Apparent
Porosity%


Bulk Density(g/cm³)


Cold Crushing
Strength(Mpa)
0.2Mpa
Refractoriess
under load

1400
Thermal
Expansion
(linear)

Thermal shock
resistances

W/mk
1000
Thermal 
comductivity
1100
water cooling
(times)
950
Air cooling
(times) 

Magnesia Alumina Bricks
MLJ-85A 85 9 0.7 0.6 1 16-18 2.85 45 1700 011 12 100 2.8
MLJ-93A 88 5 0.7 0.8 1 16-18 2.85-3.0 45 1700 0 12 100 2.9
MLJ-95A 93 3 0.7 0.7 1 16-18 2.85 45 1700 0 12 100 3.0
MLJ-85B 82 9 0.8 2.5 1 17-18 2.8 40 1700 0 10 80 2.8
MLJ-93B 85 5 0.8 2 1 17-18 2.85 40 1700 0 10 80 2.9
MLJ-95B 90 3 0.8 2.5 1 17-18 2.82 40 1700 0 10 80 3.0

Magnesia-Alumina Spinel-Zirconium Bricks
MLJZ-93A 92 5 0.7 1 1-3 17-18 2.85 50 1700 0 12 100 3.0
MLJZ-93B 88 5 0.8 2.5 1-3 17-18 2.8 50 1660 0 10 80 2.9

Magnesia-Hercynite Bricks
MLTJ-R63A 85 3 7.5 0.9 1 16-17 3.0 50 1660 0 10 100 2.5
MLTJ-R63B 80 3 7.5 2.0 1 16-17 2.9 45 1630 0 8 80 2.5

Magnesia Alumina Zirconium Bricks
MZ-96A 92 5 0.8 1 1-3 17-19 2.9 50 1700 1.6 8 30 4.4
MZ-94B 88 5 0.9 2.5 1-3 17-19 2.8 45 1650 1.6 6 25 4.4

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