Perforated composite sound-absorbing board is moisture-proof and antibacterial

Langfang Jutuo Building Materials Co., Ltd

Perforated composite sound-absorbing board is moisture-proof and antibacterial

The structure of rock wool fiberglass sound-absorbing ceiling is simple. Rock wool sound-absorbing ceiling does not require the protective decorative surface layer of general sound-absorbing panels, so there will be no fiber scattering and environmental pollution on site, and the construction site is clean.

The effect of converting sound energy into thermal energy when sound enters porous materials or causes bending deformation of plates. The phenomenon in which sound waves propagate in the air and are converted into heat energy by vibration friction with air particles, resulting in the gradual attenuation of sound waves with increasing propagation distance, is called air absorption; When sound waves are incident on porous sound-absorbing materials, due to the viscous resistance of air and the vibration friction between air and pore walls, a considerable portion of the sound energy is converted into heat energy and absorbed, which is called material sound-absorbing. Any material has some sound absorption ability towards incident sound energy, and only materials with an average sound absorption coefficient exceeding 0.2 are called sound absorbing materials. The characteristic of the sound absorption frequency of porous sound-absorbing materials is that the absorption coefficient of medium and high frequencies is relatively high, and the absorption coefficient of low frequencies is relatively low.

Perforated composite sound-absorbing board is moisture-proof and antibacterial