Performance of Waterborne Epoxy Emulsion Sand Fog Seal as a Preventive Pavement Maintenance Method: From Laboratory to Field

Table 5

Skid resistance test results before and after abrasion.

Properties	AS-1 (2.0–4.0)	AS-2 (0.9–2.0)	AS-3 (0.45–0.9)	AS-4 (0.2–0.45)	AS-5 (0.15–0.2)
BPN before abrasion	88	84	78	77	66
COV (%)	0.57	2.38	1.92	1.30	2.27
BPN after abrasion	49	49	64	58	54
COV (%)	4.08	3.06	0.78	4.31	1.85
BPN reduction rate (%)	44.3	41.7	17.9	24.7	18.2