graphite electrodes needle coke

Tap density of graphite powder

The tap density of graphite powder is the mass per unit volume of graphite powder measured after the powder in the container is tapped under specified conditions. This volume includes the sample itself and the sample pores and sample gap volume. For example, for graphite powder in a container, the total volume of all graphite powder particle size volume and graphite powder particle interstitial volume in the container, and then dividing the mass of these graphite powders by the total volume is the tap density of graphite powder.

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