The whitening cause of Korean wooden heritage by flame retardant treatment
Jin Qyu Kim, Gyu-Seong Han, Yong Jae Chung, Hwa Soo Lee, Dong Won Son
Korean wooden heritage used to treat by flame retardants in order to protect fire. There are 2 types flame retardant using for wooden heritage. These flame retardants treatment are basic measure that apply to wooden heritage along with other fire protection. The flame retardants cause white stains by reacting with Korean traditional wood painting (Dancheong) and increase wood humidity. The Korean government had discontinued use of flame retardants on the wooden cultural assets because of this whiteness phenomenon. This study was carried out to find out the cause of white stains by flame retardants treatment. The reaction of pigment and flame retardants was analyzed.
Keywords: wooden cultural heritage, white stain, Korea traditional paint, analysis