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Refractory Ball, is a kind of spherical heat storage body, which is made of industrial alumina and refractory kaolin as the main raw material, which is made by scientific formulation and high temperature calcining.
Xintao Refractory Ball, is usually used in shift converter and reformer in ammonia plant. It has the characteristic of high strength, long use period, chemical stability, won’t react with the materials, and good performance of resistance high temperature up to 1900oC.
Model | Refractory Ball | |
Chemical composition | AL2O3 Content (%) | ≥ 65 |
Fe2O3 Content (%) | ≤ 1.6 | |
Physical properties
| Pore Volume (%) | ≤ 24 |
LOI (%) | ≤ 0.1 | |
Bulk Density (kg/m3) | ≥1386 | |
Specific Gravity (kg/m3) | ≥2350 | |
Compressive strength (kg/cm2) | ≥ 900 | |
Refractoriness (℃) | ≥1800 | |
Refractoriness (oC) (under load of 2kg/cm2) | ≥1500 | |
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