What is Mineral wool?
[[File:Rockwool_4lbs_per_ft3_fibrex5.jpg|thumb|right|Mineral wool]] '''Mineral wool''' is any [[Fibre|fibrous]] [[material]] made by spinning or drawing molten [[mineral]] or [[Rock (geology)|rock]] materials such as [[slag]] and [[Ceramic|ceramics]]. Mineral wool was first made in 1840 in Wales by Edward Parry.<ref>{{Cite book|url=http://hdl.handle.net/2027/mdp.39015063827573|title=Workshop receipts ...|last=|first=|date=1883|publisher=London|isbn=|location=|pages=|hdl=2027/mdp.39015063827573 }}</ref> Mineral wool has an average [[diameter]] of 2 to 6 [[Micrometre|micrometers]]. == How mineral wool is made == Stone wool which is a type of mineral wool is made by spinning [[Lava|molten rock]] in very fast spinning heads which is a bit like the way [[cotton candy]] is made. Mineral wool may contain a [[binder]], often a [[terpolymer]], and an [[oil]] to reduce dusting. == Uses == Mineral wool is used as insulators and sound absorbers. It is used in resin bonded panels, as filler in compounds for [[Gasket|gaskets]], in [[Brake pad|brake pads]], in [[Plastic|plastics]] in the automotive [[industry]], as a [[Filter|filtering]] medium, and as a [[growth]] medium in [[hydroponics]]. ==References== {{Reflist}} {{Technology-stub}} [[Category:Synthetic materials]] [[Category:Fibers]]