gel fraction
mass fraction of the network material resulting from a network-forming polymerization or crosslinking process.
The @G02600@ fraction comprises a single molecule spanning the entire volume of the material sample.
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 1811 (