Table 1.

Fracture properties obtained experimentally through standardized testing.

Property	Brittle Adhesive 1	Tough Adhesive 2
GIC/Nmm−1	0.35 ± 0.08	1.27 ± 0.05
GIIC/Nmm−1	2.40 ± 0.38	7.22 ± 0.33

Obtained experimentally in ¹ [37], ² [39].