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The energy requirements of your grinding circuit are an important factor in determining project economics. The grindability of your orebody affects how much energy is required, especially if ultra-fine grinding is necessary.


SGS's comminution services include ultra-fine grinding testing using a four-liter Isamill. The test generates a signature plot which is used to determine the energy required to grind a sample to a few microns.

SGS's team of experienced engineers use the Isamill in combination with other bench-scale tests and circuit simulation. Our experience indicates that the most robust results are obtained when more than one approach to grinding circuit testing and design is used.

This service is not currently available in this country. However, we have an unrivalled global network. Please contact us to discuss the delivery of this service.