由北京市劳动保护科学研究所、大连塑料十三厂及北京光明自行车修配厂共同研制的L系列吸声、阻尼及其复合材料(包括六个适于不同条件下使用的系列吸声、阻尼材料),最近通过技术签定。 这是一种新型粘附性阻尼材料,它与喷涂及涂敷式阻尼材料相比,具有工艺简单、操作无污染的优点 L series of sound absorption, damping and composite materials (including six series of sound absorption and damping materials used under different conditions) jointly developed by Beijing Institute of Labor Protection Science and Technology, Dalian Plastic 13 Factory and Beijing Guangming Bicycle Repair Factory ), Recently signed by technology. This is a new type of adhesive damping material, which has the advantages of simple process and pollution-free operation compared with spraying and coating damping materials