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Refractory Clay
Refractory Clay
| GRADE NAME | SRM-43 | SRM-43(M) | SRM-50 | SRM-50(M) | SRM-60 |
|---|---|---|---|---|---|
| AL203 % | 43±1 | 43±1 | 50±1 | 50±1 | 60±1 |
| Fe203 % | 1.3±0.2 | 1.3±0.1 | 1.4±0.2 | 1.4±0.1 | 1.7±0.2 |
| AP %MAX | 10 | 6 | 10 | 6 | 10 |
| BD GM/CC | 2.4±0.05 | 2.42±0.05 | 2.5±0.05 | 2.52±0.05 | 2.6±0.05 |
| PCE o/c | 31-32 | 32-33 | 33-34 | 33-34 | 34-36 |
Product Description
Calcined Clay or Refractory clay is obtained by Calcining (heating) superior grade Clay at high temperature (from 850o C to 1600o C). This removes moisture and volatiles which thereby increases the Alumina content. Compared to an Alumina content of about 30% to 40% in raw Clay, Calcined Clay has an Alumina content of 40% to 60%. The Calcination is carried out in Rotary Kilns at different temperature ranging from 850o C to 1600o C depending upon customers application.
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