... 3.8mm to 16mm Materials: M polycarbonate solid sheet for sound insulationFeature of solid sheet1, Light Transmisson, Fine light transmission(to ... photosynthesis(it is extremely applicable for protecting the valuable works of art items on display.)5, Sound Insulation, with ... insulation expressways.6, Weather Ability, no deformation within the temperature of -40-+120.7, Portability, light in weight, it ...