Research Article
Natural Fibre-Reinforced Biofoams
Table 6
Densities and expansion ratios of starch-based biocomposites foams compared to starch foam.
| Material | Content (wt%) | Density (g/cm3) | Expansion ratio |
| Starch foam (SF) | — | 0.236 ± 0.016 | 2.919 ± 0.213 | SF/cotton linter | 10 | 0.175 ± 0.008 | 3.360 ± 0.169 | SF/hemp | 10 | 0.242 ± 0.010 | 2.844 ± 0.171 | | 7 | 0.161 ± 0.004 | 2.847 ± 0.075 | SF/cellulose | 10 | 0.170 ± 0.007 | 2.787 ± 0.123 | | 15 | 0.158 ± 0.004 | 2.366 ± 0.109 |
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