| Place of Origin: | Zhengzhou |
|---|---|
| Brand Name: | Jaen |
| Certification: | ISO |
| Minimum Order Quantity: | 1 Ton |
| Price: | Negotiable |
| Packaging Details: | Pallets |
| Delivery Time: | 7-10 days |
| Payment Terms: | T/T, L/C |
| Supply Ability: | 5000 tons/month |
| Al₂O₃: | 55-80% | Density: | 2.35-2.78g/cm³ |
|---|---|---|---|
| Shape: | Customized | Size: | Customized |
High Alumina Refractory Balls for Hot Blast Stove Multi-material Grade Alumina Ball
The main materials of refractory ball are industrial alumina and fire-proof kaolin, it is made by scientific formula, molding and high temperature calcination. Its maximum refractoriness can reach 1900℃. It is of high mechanical strength, long service life, good chemical stability, high temperature resistance, etc
Physical and Chemical Index:
| Description |
High Alumina |
Modified High Alumina | High Alumina and Density | High Density and Low Creep |
| Al2O3 | 55 | 65-75 | 70 | 70-80 |
| Fe2O3 | 2.0 | 1.8 | 1.8 | 1.8 |
| Refractoriness ℃ | 1750 | 1770 | 1790 | 1790 |
| Apparent Porosity (%) | 26 | 25 | 24 | 20 |
| Bulk & Density ≥g/cm3 | 2.35 | 2.35 | 2.6 | 2.75 |
| Cold Crushing Strength | 10 | 11 | 12 | 13 |
| Softening Temperature with Load | 1420 | 1450 | 1480 | 1520 |
Refractory balls include ordinary refractory ball and high alumina refractory ball. The ordinary refractory ball is suitable for converter and shift converter of sulfuric acid and fertilizer industry. High alumina refractory ball is suitable for the hot-blast furnace, heating shift converter and other equipment of urea and steel industry.
Different refractory balls are acceptable:
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Packing:
When you visit our factory, we will pick up you at air port.
