İt is a nonflammable polyurethane foam strengthen vvith nonflammability adjuvant mineral material. İt never melts, bums and forms fluid droplets. VValking speed of flame in the sponge is 0 mt/seconds. Since no static electricity forms över it, it does not gather dust. VVhen materials such as cloth, aluminum foil, artificial leather ete. laminated, it is provided for the produet to easily eleaned. Because of this qualification, it can be used safely in the locations, vvhere there is air stream; (dining halis, auditoriums, music and recording rooms, electronic device boxes and rooms ete.)
