Water absorption of untreated and thermally modified sapwood and heartwood of Pinus sylvestris L.
Water absorption coefficients of untreated and thermally modified Scots pine (Pinus sylvestris L. were determined on sapwood and heartwood in longitudinal, radial and tangential direction. Thermal modification was performed under atmospheric pressure and saturated steam at 190 and 210 degC for 3 h. The capillary water uptake of untreated and thermally modified heartwood was lower in all anatomical directions compared to sapwood. The two investigated treatment intensities showed contrary results for capillary water uptake.
European Journal of Wood and Wood Products