Determination of high temperature and low humidity treatment time for larch boxed heart timber
The larch boxed heart timbers with a cross section of 100 x 100 mm were dried after steamed at 100 degC dry bulb temperature and 0 degC wet bulb depression for 5 h, and then dried at 120 degC dry bulb temperature and 30 degC wet bulb depression for 8, 12 and 16 h, respectively, in order to determine optimal treatment time for the timber. This study indicated that the pretreatment of 12 and 16 h prevented both the surface and internal check of the timber. However, the pretreatment delayed drying time by at least 19%
Journal of Wood Science