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. 2020 Jul 8;13(14):3042. doi: 10.3390/ma13143042

Figure 8.

Figure 8

Figure 8

SEM images of the gypsum plasters (300×): (a) P20; (b) GPW50-P20; (c) GPW100-P20. Highlights: crystalline gypsum structure (red); good adherence between the PC and the gypsum matrix (blue); glass fiber (green) and bad adherence between the matrix and the plastic aggregate (purple).