The effects of CCB (chromate copper boron) on the static bending properties of Eastern spruce (Picea orientalis L.) based on MOE (modulus of elasticity) and MOR (modulus of rupture) were evaluated after full-cell vacuum/pressure treatment using a 3.0 % concentration followed by kiln-drying at 15 and 30 % moisture contents with heating the preservative at 30 and 40 ºC. The results showed that MOE and MOR of Eastern spruce affected by the combinations of the level of moisture content of wood and heating temperature of CCB. Provided that heating the solution of CCB caused a greater absorption at 30 ºC but it was lower than that of unheated controls at 40 ºC. The fluid uptake was found to be higher when the samples were dry with moisture of 15 %. The results also showed that the mechanical properties of Eastern spruce affected by the heating temperature of CCB and the moisture content of wood. It was indicated that both MOE and MOR were significantly lower after the treatment process with moisture of 30 % and heated at 40 ºC.

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