Figure 2
From: Sustainable application of calcium carbide residue as a filler for 3D printing materials

SEM image of CCR particles (a) and size distribution (b) after sifting (scale bar—100 µm).
From: Sustainable application of calcium carbide residue as a filler for 3D printing materials

SEM image of CCR particles (a) and size distribution (b) after sifting (scale bar—100 µm).