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ISOTROPIC CARBON can also be a GRAPHITE MATERIAL. The isotropy can be gross (bulk), macroscopic, or microscopic depending on the structural level at which isotropy is obtained. This word is widely used today and its meaning covers all the above levels. For example, the aerospace graphites have isotropy built in by random grain orientation. Some NUCLEAR GRAPHITES are isotropic at the crystalline (sub‐grain) level.

See: GRAPHITE MATERIAL, NUCLEAR GRAPHITE.