The utility model relates to the sound absorbing, sound insulation material technique field, in particularly a bastose sound absorbing cotton.
本实用新型涉及吸音、隔音材料技术领域，特指一种麻纤维吸音 棉。
It is an ideal material for sound insulation decoration.
是理想的隔音装饰材料。
Presently, silica aerogels are the lightest solid material which have the best property in thermal insulation and have the higher porosity, the lower sound velocities in the world.
目前硅气凝胶是世界上最轻、隔热性最好、孔隙率较高且声传播速率较低的固体材料，由于其特殊的网络结构使其具有很多独特的性能。
应用推荐