NAVIGATION
Graphite foil, 0.13mm (0.005in) thick, 99.8% (metals basis)
: ---
Graphite foil, 1mm (0.04in) thick, 97% (metals basis)
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Graphite plate, highly oriented pyrolytic graphite (HOPG), 10x10x1mm (0.394x0.394x0.039in)
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Calcined petroleum coke powder, crystalline, -325 mesh, 99%
: 64743-05-1
Calcined petroleum coke powder, -20+80 mesh
: 64743-05-1
Niobium gauze, 40 mesh woven from 0.178mm (0.007in) dia wire
: 7440-3-1