Fig. 7

Evolution upon relative humidity variations of the storage and loss moduli of the ultramarine layer, measured by indentation DMA at \(f_1\) = 1 Hz at the penetration depth of 2 \(\mu\)m (with lines as guide to the eye)

Evolution upon relative humidity variations of the storage and loss moduli of the ultramarine layer, measured by indentation DMA at \(f_1\) = 1 Hz at the penetration depth of 2 \(\mu\)m (with lines as guide to the eye)