Interface Bonding Properties between Nonwater Reaction Polyurethane Polymer Materials and Concrete

Table 2

Relationship between bond strength and density.

Density ρ/(g/cm^3)	0.1	0.2	0.4	0.6	0.8	1.2
Bond strength (MPa)	0.31	0.53	0.6	1.12	1.55	1.98