Description
SIZE OF MEGNESIA ALUMINA SPINEL:
| refractory sand | segment sand | "FEPA" | 0-1mm 1-3mm 3-5mm 5-8mm 8-10mm 10-15mm... | |
| fine powder | "FEPA" | -180mesh -200mesh -325mesh... | ||
Specification
PHYSICAL AND CHEMICAL INDEX OF MEGNESIA ALUMINA SPINEL:
| Grade | AM-70 | AM-90 | ||
| Chemical Composition | Al2O3 | 71-76 | 88-92 | |
| MgO | 22-27 | 8-12 | ||
| CaO | ≤0.65 | ≤0.4 | ||
| SiO2 | ≤0.4 | ≤0.25 | ||
| Fe2O3 | ≤0.4 | ≤0.4 | ||
| Na2O | ≤0.4 | ≤0.4 | ||
| Physical Index | volume density | ≥3.2 | ≥3.3 | |
APPLICATION OF MEGNESIA ALUMINA SPINEL:
| 1. To replace magnesia chrome sand to make high grade refractory bricks in lining bricks for cement rotary kiln to avoid chrome pollution and has higher resistance againt flaking. | ||||
| 2.Used to make refractory castables for ladles to improve anti-corrosion of steel plate lining. It is widely applied in refractory material, steel smelting, cement rotary kiln and glass kiln. | ||||
| 3.As an ideal material to make continuous casting sliding plate, ladle lining brick, nozzle bricks, continuous casting nozzle and open hearth bricks. Also as a basic material in big large cement kiln, bricks in transition zone of neutral cement kiln and kiln furniture for medium and high temperature applications. |
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