The chemical preservatives and their general characteristics / Nezianna Rosleh

Wood must have a protection from damage. Therefore, we have to preserve it because preservative can protect wood against decay by micro-organism, insect attack and damage by wood boring animals. The choice of chemical preservatives depends on their uses and their effectiveness. Generally, chemical preservatives have three main types such as Tar Oil preservative, water-borne preservative and organic solvent preservative. The ideal wood preservatives should posses the characteristics such as safety, effectiveness, permanence and economics.