Figure 6From: Innovative consolidating products for stone materials: field exposure tests as a valid approach for assessing durability Optical micrographs of: Carrara Marble treated with NANOMATCH1 product after the exposure in plane-polarized light (a) and in crossed-polarized light (b); Carrara Marble treated with CaLoSiL® after the exposure in crossed-polarized light (c, d). Red arrows indicate the surface microcrystalline layer still present on the marble surface.Back to article page