... 's demand2. Feature:1), PET nano enhanced UV resisting board is a new enviromental , durable material, for ... insulation.2), It can block and absorb the UV which ultravoilet wavelength is 250~450nm. 3), It ... hall, Sightseeing hall2, Light box, advertising box, direction board, telephone booth, bus stop pavilion3, Instruments, Meter, Mechnical ... for soundproof purpose PET nano enhanced UV resisting board