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