Table 2: Graphite flake identification.

Pipe The edges The mid section Form Type Size class Maximum flake size/mm Form Type Size class Maximum flake size/mm 1 VII Between A and B 3 0.3 VII Between A and B 2 0.45 2 VII A 2 0.4 VII A 1 0.9 3 VII B 2 0.4 VII B 2 0.4

Note. A is “Random orientation” and B is “Rosette” graphite morphology.