硬质塑料薄膜吸声体是近年来国外出现的一种新型建筑吸声材料,在我国,已由北京市劳动保护科学研究所与黑龙江省劳动保护科学研究所一起研制成功。经中国建筑科学研究院测定表明,该材料吸声性能良好,在房间中使用降噪效果显著,已通过技术鉴定。吸声体在宽频带范围内,不仅吸声系? Hard plastic film absorber is a new type of building sound absorption material that appears abroad in recent years. In China, it has been successfully developed by Beijing Institute of Labor Protection Science and Heilongjiang Institute of Labor Protection. The China Academy of Building Research determined that the material has good sound absorption, noise reduction effect is significant in the room, has passed the technical appraisal. Acoustic absorption body in a wide band range, not only sound absorption system?