The Scientific World Journal

Research Article

Fire Propagation Performance of Intumescent Fire Protective Coatings Using Eggshells as a Novel Biofiller

Figure 3

Surface micrographs of the foam structure of samples A, B, C, and D.
805094.fig.003a
(a)
805094.fig.003b
(b)
805094.fig.003c
(c)
805094.fig.003d
(d)