In my Chinese dictionary the kang is described as a heatable brick bed. While this doesn't convey its comfort, it does describe this heated sleeping platform accurately. Kang, pronounced kahng and written ç is prevalent in northern China where the winters are fierce and long. What Exactly is the Kang? The kang is a platform made by bricks or other earthworks that takes up a large portion of the room. Inside the bricked platform is an area for heat carried from a furnace (traditionally coal). A flue from the channel leads to the outside for exhaust.
Glass wool products usually contain 95% to 96% inorganic material. Stone wool is made from volcanic rock, typically basalt or dolomite, an increasing proportion of which is recycled material in the form of briquettes.Mineral wool made from blast furnace slag (waste) is sometimes known as slag wool.here are two types of mineral wool product: glass wool insulation and stone wool insulation. Inorganic rock or slag are the main components (typically 98%) of stone wool. The remaining 2% organic content is generally a thermosetting resin binder (an adhesive) and a little oil.
Wool is the textile fiber obtained from sheep and other animals, including cashmere and mohair from goats, qiviut from muskoxen, angora from rabbits, and other types of wool from camelids. Wool has several qualities that distinguish it from hair or fur: it is crimped and elastic.