Corundum mullite is made of high-purity corundum ore and mullite raw materials through mixing, turnare, uscare, and sintering in a kiln.

Corundum mullite brick parameters
| Articol | Index | |||
| GMZ-88 | GMZ-85 | GMZ-80 | GMZ-75 | |
| Al2O3 % | ≥88 | ≥85 | ≥80 | ≥75 |
| Fe2O3 % | ≤0,6 | ≤0,8 | ≤1,0 | ≤1,2 |
| Apparent Porosity % | ≤15 | ≤16 | ≤17 | ≤18 |
| Densitate vrac g/cm3 | ≥3,0 | ≥2,9 | ≥2.8 | ≥2.65 |
| Rezistența la strivire la rece MPa | ≥125 | ≥110 | ≥100 | ≥80 |
| 0.2Mpa Refractoriness Under Load ℃ | ≥1700 | ≥1680 | ≥1660 | ≥1650 |
| Permanent Linear Change Rate % 1500℃×2h | ±0.1 | ±0.1 | ±0.2 | ±0.2 |
| Thermal Shock Resistance Cycle 1100℃ Water Cooling | ≥15 | ≥12 | ≥10 | ≥10 |
Application fields
Corundum mullite bricks are widely used as lining materials and insulation materials in high-temperature kilns, cuptoare de încălzire, converters, oxidation furnaces, electric furnaces, and other equipment in metallurgy, industria chimica, materiale de construcții, energie electrică, și alte industrii. They are high-end refractory materials an important part of it.

About Rongsheng refractory supplier
Rongsheng is a professional manufacturer of refractory materials, with rich production experience and technical strength, and can provide high-quality corundum mullite bricks and other refractory bricks, materii prime refractare neformate.
Refractory bricks are an important raw material for kiln production. În prezent, the hot-selling products of refractory bricks include high-alumina refractory bricks, cărămizi de magnezie carbon, cărămizi de crom magnezie, fused corundum bricks, etc.
Video of corundum mullite brick
Corundum mullite brick delivery

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