Colloidal graphites

Colloidal graphites

Colloidal graphites are colloidal solutions of graphite in water. By a colloidal solution one understands a solution, in which the solved particles are present in such a fine grain size, that a separation by filtration is not possible. In order to keep such solutions stable and to prevent precipitations, wetting agents and other additives are added. Colloidal graphites are mainly used for die-coatings, for example when casting brass in gravity die casting processes.

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