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. 2011 Aug 24;8(8):3496–3513. doi: 10.3390/ijerph8083496

Table 2.

Physical properties of glass beads used in tests.

Sample No. Particle size (mm) Dry density (g/cm3) Porosity (%)
1 0.8–1.0 1.617 35
2 1.5–2.0 1.684 33
3 4.0–5.0 1.676 33
4 0.8–5.0 1.953 22