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Table 2 Water SCAs, advancing contact angles (ACAs), receding contact angles (RCAs) on glass and natural stone surfaces and corresponding HAs before and after 101S treatment

From: Nano-materials enhanced protectants for natural stone surfaces

Surface Blank With 101S modification
SCA (°) SCA (°) ACA (°) RCA (°) HA (°)
Glass 62.6 ± 0.3 118.0 ± 0.5 128.0 ± 0.6 103.1 ± 0.5 24.9
Marble 53.0 ± 0.7 139.3 ± 0.6 148.0 ± 0.4 114.0 ± 0.3 34.1
Qingshi 38.3 ± 0.6 137.0 ± 0.7 141.0 ± 0.6 93.6 ± 0.7 47.3
Hedishi 47.0 ± 0.7 133.6 ± 0.8 137.9 ± 0.5 111.0 ± 0.8 26.9