Corundum brick has high refractoriness under load, καλή χημική σταθερότητα, strong resistance to acidic or alkaline slag, metal, and glass liquid, και τα λοιπά., and has a dense structure.

Parameter of corundum bricks
| Είδος | Δείκτης |
| Ο Αλ2Ο3 % | ≥99 |
| SiO2 % | ≤0.15 |
| Fe2Ο3 % | ≤0.12 |
| Μαζική Πυκνότητα g/cm3 | ≥3.2 |
| Φαινόμενο πορώδες % | ≤16 |
| Αντοχή ψυχρής σύνθλιψης MPa | ≥100 |
| 0.2Mpa Refractoriness Under Load ℃ | ≥1700 |
| Permanent Linear Change Rate % 1600℃×3h | ±0.2 |
| Κύκλος αντοχής σε θερμικό σοκ 1100℃ ψύξη νερού | ≥5 |
Characteristics of high-purity corundum bricks


- Αντοχή σε υψηλές θερμοκρασίες
- High compressive strength
- Highly dense structure
- Good thermal shock resistance
- Strong resistance to acid and alkali residue erosion
- καλή χημική σταθερότητα
- Good resistance to metal and molten glass
Application scope of high-purity corundum bricks

Refractory materials industry: High-purity corundum bricks are treasures in the field of refractory materials. They are widely used in the lining of high-temperature industrial equipment such as furnaces, converters, electric furnaces, and crucibles, effectively ensuring long-term stable operation of equipment in high-temperature environments.
Τήξη χάλυβα: In the steel smelting process, high-purity corundum bricks are an indispensable lining material. They have excellent fire resistance and corrosion resistance and can withstand harsh environments at high temperatures.
Aluminum electrolytic cell: In the aluminum electrolysis industry, high-purity corundum bricks can be used as lining materials for electrolytic cells. Because of their stability at high temperatures, they can effectively resist high-temperature erosion during the aluminum electrolysis process.
Glass furnace: High-purity corundum bricks can be used as the lining of glass furnaces. Its high melting point and excellent heat resistance enable it to withstand the corrosion of high-temperature molten glass in the glass furnace.
Χημική βιομηχανία: In high-temperature, highly corrosive chemical environments, high-purity corundum bricks also play an important role and are used to manufacture the linings of reactors, catalyst carriers, and other equipment.
High-purity corundum brick video
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