Effectiveness of the Top-Down Nanotechnology in the Production of Ultrafine Cement (~220 nm)

Table 4

Particle size of the Portland cement before and after milling in bead milling process.

Features/components		Particle size (𝜇m)
Milling time (h)		0			1			3			6
Sample code		^aD10	D50	D90	D10	D50	D90	D10	D50	D90	D10	D50	D90
Grinding agent	Methanol	2.43	12.57	38.77	0.25	0.80	1.63	0.21	0.68	0.87	0.20	0.51	0.78
	Ethanol	2.43	12.57	38.77	0.13	0.32	0.54	0.13	0.24	0.37	0.11	0.20	0.33

aD: cumulative passing percent.