Research Article
Effects of Organic Nano Calcium Carbonate on Aging Resistance of Bio-Asphalt
Table 3
Performance indexes of nano-CaCO3.
| Test items | Test results |
| Appearance | White powder | Specific surface area (cm2·g−1) | 25000 ± 500 | Average particle size (nm) | 25 | Moisture content (%) | 0.25 |
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