Influence of Breast Implant Surface Finishing on Physicochemical and Mechanical Properties before and after Extreme Degradation Studies

Table 3

Mechanical properties for samples as received and after acidic and basic degradation.

Roughness	Smooth membranes			Rough membranes
Degradation	As received	Acidic	Basic	As received	Acidic	Basic
Mechanical strength (MPa) at 450% strain^a	6.7 ± 0.5	7.6 ± 1.3	4.9 ± 1.6	5.3 ± 0.6	7.3 ± 1.2	6.0 ± 1.5
Mechanical strength (MPa) at rupture	9.2 ± 0.9	8.1 ± 0.9	5.2 ± 1.9	7.9 ± 1.5	8.0 ± 0.5	6.7 ± 2.7
Deformation (%) at rupture	556 ± 61	465 ± 48	416 ± 66	539 ± 119	473 ± 51	396 ± 147

^aAverage of samples that reached 450% deformation.