From: Nano-materials enhanced protectants for natural stone surfaces
Surface | Time | Treated With 101S + nano Al2O3 | |||
---|---|---|---|---|---|
SCA (°) | ACA (°) | RCA (°) | HA (°) | ||
Marble | Oct. 2020 | 168.9 ± 1.5 | 170.7 ± 0.3 | 156.6 ± 0.9 | 14.1 |
Jul. 2021 | 165.6 ± 0.8 | 170.0 ± 0.3 | 154.3 ± 2.3 | 15.7 | |
Qingshi | Oct. 2020 | 165.0 ± 1.3 | 169.2 ± 1.4 | 153.1 ± 0.5 | 16.1 |
Jul. 2021 | 165.4 ± 0.7 | 169.2 ± 1.4 | 148.1 ± 2.5 | 21.4 | |
Hedishi | Oct. 2020 | 165.6 ± 0.1 | 169.7 ± 0.7 | 153.0 ± 1.1 | 16.7 |
Jul. 2021 | 165.7 ± 0.5 | 170.0 ± 0.9 | 149.2 ± 4.8 | 21.0 |