The foam glass for sound absorption and muffling not only has good noise reduction effect, but also has the characteristics of light weight, non-combustible, non-corrosive and damp, and does not soften after water absorption. Therefore, it is widely used in swimming pools, subways, food and textile workshops, etc. In construction projects that are wet, fire resistant and have low noise requirements. The foam glass for sound absorbing and heat insulation can also be made into a color product under the appropriate process, which not only plays a role in sound absorption and heat preservation, but also serves as a good decorative material and has a dual function. Sound-absorbing foam glass has been widely used in developed countries in subways, underground military facilities, tunnels, factory workshops, concert halls, theaters and town halls, as well as buildings outside the airport to reduce noise. Domestically, in the 1990s, it was used in the noise reduction and sound absorption materials of the Shanghai Metro, Guangzhou Metro, the Great Hall of the People's Hall and the air duct. In recent years, it has been used in sound-absorbing walls on both sides of elevated roads in Shanghai. Small Fountain,Pool Water Fountain,Water Dance Light,Portable Musical Fountain Guangzhou Dewy water fountain Technology Co., LTD , https://www.dewywaterfountain.com