Table 1 Physical properties of control and experimental leathers.
From: Non-aqueous green solvents improve alpha-amylase induced fiber opening in leather processing
| Â | Control | Heptane | Propylene glycol | PEG 200 |
|---|---|---|---|---|
Tensile strength (N/mm2) | 16.1 ± 1.3 | 20.9 ± 1.5 | 18.0 ± 2.1 | 23.7 ± 1.8 |
Elongation at break (%) | 67.3 ± 1.9 | 67 ± 2.5 | 60.3 ± 3.3 | 75.7 ± 4.2 |
Tear strength (N) | 20.3 ± 0.5 | 20.9 ± 1.6 | 21.1 ± 0.8 | 22.4 ± 2.2 |
Grain crack strength | ||||
 Load (N) | 210.7 ± 5.5 | 200.6 ± 8.2 | 230.2 ± 6.7 | 225.8 ± 9.1 |
 Distention (mm) | 8.9 ± 0.4 | 9 ± 0.7 | 9.3 ± 0.8 | 10.1 ± 0.5 |
