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. 2020 Jun 29;13(13):2919. doi: 10.3390/ma13132919

Figure 5.

Figure 5

SEM micrographs of the hybrid geopolymer foam (GSyl06) at (a) 400, (b) 1500, (c) 5000, (d) 10,000 magnification; SEM micrographs of the unmodified geopolymer sample G at (e) 5000 and (f) 10,000 magnification; SEM micrographs of the GSyl sample at (g) 5000 and (h) 10,000 magnification.