Since liquid and vapour are indistinguishable in a supercritical fluid,
there is no capillary pressure to cause shrinkage and cracking of the pores formed in the gel.
Source:
PAC, 2007, 79, 1801
(Definitions of terms relating to the structure and processing of sols, gels, networks,
and inorganic-organic hybrid materials (IUPAC Recommendations 2007))
on page 1826