Table 12 Calculated single and total water vapour resistance and permeance for the coating system C_tot obtained by the model and total water vapour resistance and permeance experimentally determined by the C_tot specimens No. 41, 44 and 45

Mean RH [-]

0.94

0.94

0.93

0.87

0.79

0.50

\(\delta \left[{10}^{-14}\frac{\mathrm{kg}\cdot \mathrm{m}}{\mathrm{Pa}\cdot {\mathrm{m}}^{2}\cdot \mathrm{s}}\right]\)

613

76

5

3.1

0.56

\(W \left[{10}^{-10}\frac{\mathrm{kg}}{{\mathrm{Pa}\cdot \mathrm{m}}^{2}\cdot \mathrm{s}}\right]\)

45

152

87

9.5

8.8

1.7

1.2

0.6

0.5

0.6

\(Z \left[{10}^{7}\frac{{\mathrm{Pa}\cdot \mathrm{m}}^{2}\cdot \mathrm{s}}{\mathrm{kg}}\right]\)

22.1

6.59

11.5

105

114

608

867

1760

2020

1680