From: Nano-materials enhanced protectants for natural stone surfaces
Surface | Time | Treated With 101S + nano SiO2 | |||
---|---|---|---|---|---|
SCA (°) | ACA (°) | RCA (°) | HA (°) | ||
Marble | Oct. 2020 | 165.4 ± 0.3 | 167.3 ± 1.4 | 153.9 ± 1.3 | 13.4 |
Jul. 2021 | 165.8 ± 0.3 | 168.3 ± 2.0 | 150.9 ± 6.3 | 17.4 | |
Qingshi | Oct. 2020 | 166.2 ± 0.2 | 170.6 ± 0.5 | 150.9 ± 2.8 | 19.7 |
Jul. 2021 | 165.5 ± 0.3 | 170.1 ± 0.4 | 150.0 ± 3.5 | 20.1 | |
Hedishi | Oct. 2020 | 169.6 ± 0.1 | 170.8 ± 0.2 | 155.3 ± 1.7 | 15.5 |
Jul. 2021 | 164.0 ± 1.5 | 166.9 ± 2.0 | 153.2 ± 3.5 | 13.8 |