ClosedCell Rubber Pipe Insulation, Unslit, Length 1.83, Temp. Range ... to 89mm, thickness 6 to 30m Closed Cell Rubber Pipe Insulation, Unslit, Length 1.83, Temp. Range -50 ... insulation material in the form of sheet and pipe with closed cell structure which doesn’t contain CFC halogen materials ... coloured elastomeric rubber based insulation material in the form of sheet and pipe with closed cell structure ...