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Properties of hemp, silk, and soy silk fiber, and poly(vinyl alcohol) (PVOH)/clay aerogel. The shear modulus and shear strength were taken to be equal to those of expanded polystyrene with the same density.
| Property | Hemp Fiber | Silk Fiber | Soy Silk Fiber | PVOH/Clay Aerogel |
|---|---|---|---|---|
| Strain Elongation (%) | 1.6 | 14 | 18 | - |
| Tensile Strength (MPa) | 690 | 120 | 5 | - |
| Elastic Modulus (GPa) | 12.1 | 7 | 2.6 | 0.015 |
| Density (g/cm3) | - | 1.34 | 1.29 | 0.05 |
| Shear modulus (MPa) | - | - | - | 1.93 |
| Shear Strength (kPa) | - | - | - | 124 |
