The ways in which the volume density of graphite products can be changed are shown as follows:

The bulk density of graphite is increased by increasing volume shrinkage. After graphitization, the weight loss of roasting products is about 2.6%.

The volume density of the baked products is changed by changing the roasting of the graphite. The volume density of the graphite products is changed by changing the degree of impregnation.

To control the volume density of the graphite product, the volume density of the blank must be measured and controlled. The amount of binder required for the ingredients needs to be moderately controlled.

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