Figure 1
From: Heat insulation effect in solar radiation of polyurethane powder coating nanocomposite

SEM images of polyurethane nanocomposite coatings with different amounts of nano ZrO2 and Al2O3.
From: Heat insulation effect in solar radiation of polyurethane powder coating nanocomposite

SEM images of polyurethane nanocomposite coatings with different amounts of nano ZrO2 and Al2O3.