Table 1.

Comparison of porosity measurements between HPL hydrogels and aerogels. Porosity measurements obtained through mercury porosimetry for both HPL hydrogels and aerogels, providing quantitative data to support SEM observations (n = 3).

	Aerogel Dried Using scCO2	Hydrogel Oven Dried at 37 °C
Total porosity between 4 nm and 360 µm (%)	93.9% ± 2%	7.9% ± 4%