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Series Of Corundum Mullite Brick

Corundum mullite brick refers to refractory products made of high purity or purer raw materials. Corundum mullite refractory bricks refers to a high alumina refractory product composed of corundum and mullite main crystal phases.


Corundum Mullite Bricks Features

1.Uniform expansion.
2.High load softening point.
3.Low temperature creep value.
4.Excellent thermal shock stability.
5.High load softening temperature.
6.High hardness, good chemical resistance.
7.Low creep rate, good thermal shock resistance

Corundum Mullite Bricks Application

1.Corundum mullite bricks suitable for large and medium sized blast furnace bottom.
2.Corundum mullite refractory bricks suitable for hearth ceramic masonry and wind, iron, slag joint masonry.
3.Corundum mullite fire bricks suitable for glass furnace superstructure brick, material brick, cover plate, molded parts.
4.Corundum mullite fire bricks suitable for medium temperature carbon black reactor lining and other Thermal equipment lining.

Item AM 80 AM 75
Chemical composition Al2O3 ≥80 ≥75
SiO2 ≤14 ≤24
Fe2O3 ≤0.5 ≤0.4
Apparent Porosity% ≤17 ≤17
Bulk Density g/cm3 ≥2.6 ≥2.55
Cold Crushing Strength Mpa ≥70 ≥70
0.2Mpa Refractoriness Under Load T0.6 ≥1700 ≥1650
Permanent Linear Change On Reheating

(%)1500℃X2h

0~+0.4 0~+0.4
Thermal Shock Resistances 100℃ water cycles ≥18 ≥18
20-1000℃ Thermal Expansich10-6/℃ 0.55 0.55
Thermal Conductivity (W/MK) 1000℃ 1.95 1.95

series of corundum mullite brick6

series of corundum mullite brick7

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