But in recent years, aerogels have been commercialized and have found uses in a variety of other fields. Aerogel is an advanced material, and because of its ultra-porous structure, engineers can design not only new insulation materials for space sui

Rock wool is a kind of inorganic fiber material, because of its excellent performance of fire prevention, thermal insulation, sound absorption and sound insulation, so it is often used in construction, industry, oil pipeline and other fields. Below,

Foam rubber is a kind of polymer material, it is made of rubber and plastic as the main material, through a series of processes such as foaming, so that the rubber and plastic inside the formation of a closed bubble structure, these bubbles evenly d

The sound absorption coefficient refers to the ability of a material to absorb sound, and it is a crucial parameter in acoustic materials, which is often used to evaluate how well a material absorbs sound waves at different frequencies, ranging from