... , Color Black, ID. 6 to 89mm, thickness 6 to 30m Closed Cell Rubber Pipe Insulation, Unslit, Length 1.83, Temp. Range -50 to ... . It is an elastomeric rubber based insulation material in the form of sheet and pipe with closed cell structure which doesn’t contain CFC ... is a black coloured elastomeric rubber based insulation material in the form of sheet and pipe with closed cell structure It is used on ...