METHOD OF WOOD PRESERVATION USING EXPIRATION CONTROL

摘要

A method to preserve packed wood by expiration controlling consists of following steps: to clean/smooth surface of packed wood by a cleaner/by sanding said wood surface; to dry moisture of clean packed wood by heating in a high temperature oven; to assemble/manufacture a packed wood according to designed/required shape; to immunize wood preservatives by dipping in pool contains preservation liquid in certain dosage; to dry by draining the preservatives of packed wood that dipped in said preservation liquid pool; and to put security symbols on packed wood before shipping/distribution.