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Table 11 Parameters \({\mathrm{a}}_{\mathrm{c}}\) and \({\mathrm{b}}_{\mathrm{c}}\) of the exponential regression function in Eq. (7) for the permeability of the single coatings used in the C-series, determined from specimens Cwi—Cbw

From: Hygro-mechanical short-term behaviour of selected coatings: experiments and material modelling on vapour permeability and mechanical properties

Coating

White ground

White imprimatura

Resin oil varnish

Linseedoil varnish

Resin oil colour

Egg tempera

Beeswax

\({a}_{c} \left[{10}^{-15}\frac{\mathrm{kg}\cdot \mathrm{m}}{\mathrm{Pa}\cdot {\mathrm{m}}^{2}\cdot \mathrm{s}}\right]\)

254.16

16.734

3.5341

26.053

5.5819

76.634

0.10314

\({b}_{c} [-]\)

3.3434

1.1696

0.8412

1.1183

2.0112

2.2415

5.3099