Investigation of Color Characteristics of Some Types of Wood Treated With Colored Varnish Wood Preservative

In this study, color parameters and total color differences were compared among wood species treated with colored varnish wood preservative (blue and rosewood colors, 2 coats) including Maritime pine (Pinus pinaster), Russian olive (Elaeagnus angustifolia L.), Persian silk (Albizia julibrissin), American walnut (Juglans nigra), mulberry (Morus alba), black alder (Alnus glutinosa L. Gaertn.), mahogany (Swietenia mahagoni (L.) Jacq.), and ayous (Triplochiton scleroxylon K. Schum). According to the obtained results, variance analyses were found to be significant. Decreases were observed in the L*, a*, b*, and C* values with the application of blue varnishes across all wood species, while increases were obtained in the ho values. Similarly, decreases were recorded in the L* and ho values with the application of rose varnishes on all wood species. In ayous, mulberry, Persian silk, American walnut, and Maritime pine woods, increases were found in the a* and C* values with rose varnishes, while decreases were observed in the b* values. In mahogany and Russian olive woods varnished with rose varnish, the b* and C* values decreased, while increases were seen in the same parameters in Black alder wood. In mahogany wood coated with rose varnish, a* parameter decreased, whereas increases were obtained in Russian olive and Black alder woods.