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| Categories | Corundum Brick |
|---|---|
| Brand Name: | RSNC |
| Certification: | CE,CQC,ISO9001 |
| Place of Origin: | China |
| MOQ: | 1 ton |
| Price: | Negotation |
| Supply Ability: | 1000mt per month |
| Delivery Time: | 30 days within receipt of payment |
| Packaging Details: | Bricks are packed on wooden pallet and then polyethylene film is placed over it, finally the package is tied up with steel strips. |
| ZrO2,% ≥: | 33 |
| SiO2,% ≤: | 16.0 |
| Na2O,% ≤: | 1.5 |
| bulk density(g/cm3):: | 3.5-3.6 |
| Cold crushing Mpa: | 350 |
| exudation temp. of glass phase: | 1400 |
| Company Info. |
| Zhengzhou Rongsheng Refractory Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
Features For Corundum Fire Brick:
1. Raw material is corundum and baddeleyite eutecticum,high compression strength
2. Top high-temperature capablility.
3. Excellent thermal stability.
4. Low thermal conductivity
5. Powerful penetrating-proof capability.
6. Good erosion-resistance.
7. Strong resistant erosion stability to the glass liquid
Process For Corundum Fire Brick :
Made of the zirconite (Industry zirconia ) and industry alumina as the mainly mixed raw material, melting in the electric furnace, casting, annealing, machining, then finished.
Physical and Chemical Indicators For Corundum Fire Brick :
| chemical composition | AZS-33 | AZS-36 | AZS-41 |
| ZrO2 | ≥33 | ≥35 | ≥40 |
| SiO2 | ≤16.0 | ≤14 | ≤13.0 |
| Al2O3 | a little | a little | a little |
| Na2O | ≤1.5 | ≤1.6 | ≤1.3 |
| Fe2O3+TiO2 | ≤0.3 | ≤0.3 | ≤0.3 |
Physical Properties
| Bulk density(g/cm3): | 3.5-3.6 | 3.75 | 3.90 | |
| Cold crushing Mpa | 350 | 350 | 350 | |
| Thermal expansion coefficient (1000°C) | 0.80 | 0.80 | 0.80 | |
| Exudation temp. of glass phase | 1400 | 1400 | 1400 | |
| Corrocion resistance of glass melt(mm/24h) | 1.6 | 1.5 | 1.3 | |
| Density | PT QX | 3.40 | 3.45 | 3.55 |
| WS ZWS | 3.60 | 3.70 | 3.8 | |
Phase composition(%)
| Baddeleyite | 32 | 35 | 40 |
| Glass phase | 21 | 18 | 17 |
| α- corundum | 47 | 47 | 43 |
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