Metal sound absorbing panels are an important part of metal sound barriers and are mainly used for noise reduction and sound insulation. A structure consisting of a sheet metal plate (not limited to an aluminum plate, a galvanized steel plate), a roll-formed panel, a cavity, and a back plate. The metal absorption board panel mainly has round holes, micro-perforations, composite through holes, and louvered holes. In the cavity, sound-absorbing materials such as rock wool, glass wool, and foamed aluminum sound-absorbing panels are mainly added. According to the micro-perforation theory micro-perforation and ultra-microporous composite pinhole plate's own silencing ability, the cavity can not add sound absorbers. Metal absorption board features The metal sound-absorbing board is light in weight, easy to install on the spot, and free of pollution. The factory production line has controllable production quality, rich colors, and can be recycled and maintained twice. The above information, relevant Baoyuan plate supply information, plate purchase, etc. Please pay attention to the Chinese plate trading network Solar Led Holiday Light,Solar Garland String Light,Led String Light For Christmas,Solar Garland String Fairy Lights Shenzhen You&My Electronic Technology Co., Ltd , https://www.szyoumy.com