Abstract
The observed values of dimensional stabilities(thickness swelling (TS) or linear expansion (LE)) for sandwich panels with veneer or paper as the faces and various oriented fiberboards as the core were compared with the values calculated by the properties of veneer, paper or various oriented fiberboards. As a result, observed TS or LE values agreed basically well with calculated ones , however, it was important for calculated value of higher precision to consider the effect of adhesive properties between face and core. Dimensional stabilities of sandwich panel could be estimated by the properties of face and core materials of composites. If face material had high Young's modulus and great dimensional stabilities like the veneer in fiber direction with the poor dimensional stabilities of core material, sandwich panel would have great dimensional stabilities.
