Functional Characteristics of Nakdong Technique Treated on Paulownia Wood Surface

Nakdong technique is an unfamiliar scorching treatment using an iron heated in a kiln over 1000°C. It is a typical convention in Asian countries to treat Nakdong on the surface of paulownia species. The scorching treatment changes the surface characteristics as well as the color of the wood. This study focused on the effects of functional features such as water resistance, anti-mold, anti-termite, and sound improvement because this treatment is usually used on paulownia wood-bodied musical instruments surface. It took 28