Fig. 9
From: Biosolubility of high temperature insulation wools in simulated lung fluids

SEM image of PCW: (a) untreated fibers; (b) transversal breakages of fiber at pH 7.4 after 28 days of treatment
From: Biosolubility of high temperature insulation wools in simulated lung fluids
SEM image of PCW: (a) untreated fibers; (b) transversal breakages of fiber at pH 7.4 after 28 days of treatment