Glass wool is a category of glass fiber, a type of artificial inorganic fiber. It is a fluffy material formed by fiberizing molten glass, with a chemical composition belonging to the glass family and is an inorganic fiber. It boasts good formability, low bulk density, low thermal conductivity, excellent thermal insulation, good sound absorption, corrosion resistance, and stable chemical properties.

Glass wool is a category of glass fiber, a type of artificial inorganic fiber. It is primarily made from natural ores such as quartz sand, limestone, and dolomite, along with some chemical raw materials like soda ash and borax, which are melted into glass. In the molten state, external force is used to blow and spin it into fluffy fine fibers, with the fibers crossing and intertwining in a three-dimensional pattern, creating numerous small gaps. These gaps can be considered pores. Therefore, glass wool can be regarded as a porous material with excellent thermal insulation and sound absorption properties.