Abstract

The aim of this study is to reduce water uptake of wooden materials manufactured from some tree species. Specimens of 3x3x1.5 cm were prepared from sapwood parts of experimental logs of beech (Fagus orientalis L.Cavr.), alder (Alnus glutinosa Geartn.), spruce (Picea orientalis L.) and scoth pine (Pinus sylvestris L.) wood. The specimens were impregnated by dipping in a solution (3% paraffin wax/10% linseed oil/87% white spirit) at the periods of 1/3, 3 and 24 hours. Then, the specimens were immersed in distilled water for 1/4, 1, 4, 16 and 24 hours. The results were analysed statistically. According to the results, impregnation time, period of immersion in water, and wood species were effective on solution absorption, retention of dry matter, water absorption, and water repellent efectiveness (WRE). The WRE of impregnated specimens were increased with the increase of solution absorption and the retention. Keywords: Wood, Water Absorption, Paraffin, Linseed Oil, Impregnation, Water Repellency.

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