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The compliance of cement with standards such as EN 197 / ASTM C 150 is a quality requirement. Quality assurance of the raw materials used in calcination and also during the clinker production is necessary.

Carbolite gero’s AAF 1100°C Ashing Furnaces and CWF 1200°C and 1300°C General Purpose Furnaces are ideally suited for loss on ignition tests. Their use ensures that the production process meets quality standards and provides ash samples for additional analysis.

In addition, the burnability or free lime content of the clinker may be tested at intervals using our higher temperature RHF 16/8 (1600 °C) Furnace. This is particularly important in situations where there is variability in the raw materials.