Table 2.
Particle size measured by SEM image analysis
| Sample | Maximum particle diameter (μm) | Median particle diameter (μm) | Particles <10 μm diameter (number %) | Fibre-like particles (%) | ||||
|---|---|---|---|---|---|---|---|---|
| Bulk | Fine | Bulk | Fine | Bulk | Fine | Bulk | Fine | |
| DE_05 | 26.9 | 18.5 | 1.7 | 0.8 | 96.6 | 99.2 | 17.9 | 15.4 |
| DE_20 | 52.0 | 31.5 | 1.9 | 0.8 | 94.1 | 96.5 | 21.2 | 18.8 |
| DE_24 | 47.0 | 17.3 | 1.8 | 0.8 | 96.5 | 99.0 | 17.8 | 16.4 |
| DE_08 | 73.0 | 43.7 | 5.0 | 1.5 | 73.2 | 82.7 | 3.3 | 5.7 |
| DE_10 | 46.2 | 51.3 | 4.1 | 2.6 | 77.9 | 83.0 | 4.9 | 9.8 |
Includes maximum particle diameter, median particle diameter, the number % of particles <10 μm, and the number % of fibre-like particles in five bulk samples and their corresponding fine fractions