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| Categories | Magnesia Refractory Bricks |
|---|---|
| Brand Name: | Jundao(Henan) |
| Model Number: | Magnesia Aluminum Refractory Brick |
| Certification: | ISO9001:2015 |
| Place of Origin: | Henan China |
| MOQ: | 20 TON |
| Price: | Negotiate |
| Payment Terms: | L/C, T/T, Western Union, MoneyGram |
| Supply Ability: | 4000Ton/mon |
| Packaging Details: | Fumigated wooden pallet, plastic or steel bandages strapped and the whole outside is wrapped with thermoplastic film. |
| Material: | Magnesia Aluminum |
| Color: | Yellow |
| Package: | 25kg bags |
| Certificate: | ISO9001 |
Magnesia Aluminum Refractory Brick High Temperature Alkaline Refractory Brick For Cement Rotary Kiln
Magnesia Aluminum Refractory Brick include ordinary magnesia-aluminum bricks and magnesium-aluminum spinel bricks.
Magnesia Aluminum Refractory Brick is an alkaline refractory material fired from magnesia and a small
amount of industrial alumina or alumina.
The product has the characteristics of high thermal shock stability, high temperature performance, strong resistance to corrosion by alkaline substances, good wear resistance and good flexibility against high temperature heat load.It is mainly used in the top of steelmaking open and electric furnaces, high temperature tunnel kiln, large cement rotary kiln and non-ferrous metal smelting furnace.
high thermal shock stability
high temperature performance
good wear resistance
| Items | Index | ||||
| Magnesium aluminum spinel brick | Magnesia aluminum brick | ||||
| MLJ-80 | MLJ-75 | MLJ-70 | MLZ-80A | MLZ-80B | |
| MgO (%) ≥ | 80 | 75 | 70 | 80 | 80 |
| Al2O3(%) | 8～20 | 8～20 | 8～20 | 5～10 | 5～10 |
| Apparent porosity (%) ≤ | 17 | 19 | 20 | 18 | 19 |
| Bulk density (g/cm³) | 2.85～3.15 | 2.85～3.15 | 2.85～3.10 | 2.85～3.10 | 2.85～3.10 |
| Cold crushing strength (MPa) ≥ | 40 | 40 | 40 | 35 | 30 |
| Refractoriness under load(0.2MPa) /℃ ≥ | 1700 | 1650 | 1600 | 1600 | 1580 |
| Resistance to themal shock times (water-cooling) ≥ | 10 | 10 | 8 | 4 | 4 |
|
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