Corundum mullite bricks from Rongsheng refractory are made from selected synthetic mullite and high purity corundum. The raw materials are molded and sintered under high pressure and temperature into a finely manufactured corundum bricks. Advantages of the product includes high RUL (refractory under load) capacity, low apparent porosity, fine thermal shock resistant ability and good abrasion resistance. The product can be used for steelmaking furnaces, nonferrous smelting furnaces, boilers or refuse incinerators.
Classification of Corundum Mullite Bricks
→Mullite bricks:Used in the upper part of the glass melting furnace, linings for cover plate in metallurgical industry, or quench section and settle section for carbon black reactor.
→Re-sintered Fused Mullite Brick: linings for upper arch of Glass furnace, arch foot brick and other industrial thermal equipment.
→Mullite corundum brick: Upper structure brick and cover plate of glass melting furnace,
Medium temperature carbon black reactor, linings for other thermal equipment, and for making mullite corundum saggers.
→Corundum – mullite brick: Upper structure brick and cover plate of glass melting furnace,
Medium temperature carbon black reactor, linings for other thermal equipment, and for making mullite corundum saggers.
Corundum Mullite Bricks Property & Applications
Corundum mullite bricks are widely used in residuum gasifier, synthetic ammonia secondary reformer, coom reactor, glass kiln, etc.
Item Index |
Mullite Bricks | Re-Sintered Fused Mullite Brick | Mullite Corundum Brick | Corundum – Mullite Brick |
Al2o3% | ≥70 | ≥75 | ≥80 | ≥90 |
Sio2% | ≤25 | ≤23 | ≤18 | ≤8 |
Fe2o3% | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.3 |
Apparent Porosity% | ≤17 | ≤14 | ≤19 | ≤18 |
Bulk Density/Cm | ≥2.55 | ≥2.65 | ≥2.70 | ≥2.90 |
Compressive Strength MPa | ≥90 | ≥100 | ≥80 | ≥100 |
RUL | ≥1630 | ≥1700 | ≥1650 | ≥1700 |
(0.2MPa,0.6%)℃ |
Advantages Of Corundum Mullite Bricks
→Fine Thermal Conductivity
→Good Abrasion Resistant Ability
→High Temperature Endurance, Can Make Direct Contact With Flame.
→High Compressive Strength, And Good Cold Crushing Resistance Ability
→Good Chemical Stability Which Can Endure Corrosive Gas Attack
Corundum Mullite Bricks Applications
It is suitable for various kinds of furnace lining and backing of various of metallurgy, petrochemical, building materials, ceramics, machinery and other industries, such as:
→Pyrolyzer
→Reformer
→Heating System
→Reconditioner
→Blast Air Heater;
→Furnace For Heat Treatment
→Electric Resistance Furnace
→Tunnel Kiln
→Roller Hearth Furnace
→Shuttle Kiln
Rongsheng- Quality Corundum Mullite Brick Manufacturer
Product Data:
items index |
Al2O3 (%)≥ |
Bulk Density (%)≥ |
Apparent Porosity (%) |
Compressive Strength (Mpa) |
RUL℃ (0.2MPa)≥ |
Thermal Conductivity (700℃)(W/M·K) |
Service Temperature (℃)≥ |
Refractoriness (℃)≥ |
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