Evaluation of a Cold-Mixed High-Performance Polyurethane Mixture

Figure 14

The adhesion test results of the PU binder: (a) limestone + PU (water immersion); (b) basalt + PU (water immersion); (c) limestone + PU (water boiling); (d) basalt + PU (water boiling).

(a)

(b)

(c)

(d)