The density is 12kg / m3, isn't it?
It is a cotton-like material which has advantages of low thermal conductivity, chemical stability, good sound absorption. The glass wool is an inorganic fiber which has a excellent welding performance. Glass wool which is a man-made inorganic fiber fiberizes melten glass, it is a insulation material that has advantages of corrosion resistance, thermal insulation and small bulk density. I tell you that it belongs to glass in terms of chemical composition: The thermal insulation material, glass wool belongs to glass fiber.
