... MC: below 12% KD SIZE: can be customized Paulownia Joint Board MCbelow 12% ,KDsurfacesanding ,smooth,no crack,no blune stain, ... .The wood dries rapidly and does not easily warp,cup,end check, splinter or split and has a very small shrinkage ... ,flat jambs and trim boards ,wooden crafts,coffine,instrument. Paulownia joint board