Fig. 4
From: Tannin-caprolactam and Tannin-PEG formulations as outdoor wood preservatives: weathering properties
Trend of the colour coordinate lightness (L*) during artificial weathering test
Fig. 4 | Annals of Forest Science
From: Tannin-caprolactam and Tannin-PEG formulations as outdoor wood preservatives: weathering properties
Trend of the colour coordinate lightness (L*) during artificial weathering test
Annals of Forest Science