Refractory porcelain balls Refractory balls are made of industrial alumina and refractory kaolin as the main raw materials, through scientific formula, shaping and high-temperature calcination. nature
Product parameters:
| Item | High alumina | Low creep | Mullite | Corundum |
| Size(mm) | 40-80 | 40-80 | 40-80 | 40-80 |
| Al2O3(%) | 65 | 70 | 75 | 95 |
| Refractoriness under load(°C) | 1450 | 1460 | 1530 | 1650 |
| Apparent Porosity(%) | 25 | 23 | 22 | 18 |
| Bulk Density(g/cm3) | 2.3 | 2.4 | 2.5 | 3.1 |
| Cold crushing strength(Mpa) | 13 | 14 | 32 | 36 |
| Thermal shock resistance | 15 | 10 | 20 | 7 |
| (1100°Cwater cooling) cycle ≥ | ||||
| Refractoriness(°C) | 1710 | 1750 | 1800 | 1800 |
Product Feature:
Application:
Refractory porcelain balls are divided into ordinary refractory balls and high-aluminum refractory balls. Ordinary refractory balls are suitable for converters and conversion furnaces in the sulfuric acid and fertilizer industries. High-aluminum refractory balls are suitable for hot blast furnaces, heating conversion furnaces and other equipment in urea, steel and other industries.
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