Natural Fibre-Reinforced Biofoams

Table 6

Densities and expansion ratios of starch-based biocomposites foams compared to starch foam.

Material	Content (wt%)	Density (g/cm^3)	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