... % KD SIZE: can be customized Paulownia Joint Board MCbelow 12% ,KDsurfacesanding ,smooth,no crack,no blune stain,no dead knotsthickness5mm/6mm/8mm/9mm/10mm ... ,route and carve,and even in quick processing there is no danger of splitting or chipping. It easily absorbs glue,paint ... ,flat jambs and trim boards ,wooden crafts,coffine,instrument. Paulownia joint board