While we know you won’t use this type of material in a home soundproofing project, the story is sort of interesting, nonetheless.
A recent news story announced the purchase of MTI PolyFab Inc by the 3M Co.
MTI PolyFab Inc. has spent the past few years making both thermal and acoustical insulation materials for companies taking part in the aerospace industry. They make soundproofing materials for a wide variety of aircraft.
3M, on the other hand, continues to grow. This is their second acquisition in a month!