polymer mass fraction

symbol: $w_{\rm{p}}$
https://doi.org/10.1351/goldbook.14328
Mass fraction of polymer within the dispersed phase.
Source:
PAC, 2011, 83, 2229. (Terminology of polymers and polymerization processes in dispersed systems (IUPAC Recommendations 2011)) on page 2242 [Terms] [Paper]