Assertion: silicon carbide's grain size | /r/HasProperty | diameter
Facets:
Source sentences:
text: In an embodiment, solid carbon source material 26 is in the form of porous carbon pellets, spheres, and/or granules having a mean grain size (diameter), desirably, between 0.5 mm and 6 mm; an apparent density, desirably, between 0.4 g/cm3 and 1.0 g/cm3; and a surface area, desirably, between 200 and 2000 m2/g.