... , ID. 6 to 89mm, thickness 6 to 30m Closed Cell Rubber Pipe Insulation, Unslit, Length 1.83, Temp. Range -50 to 110 ... , ID. 6 to 89mm, thickness 6 to 30m HengBao Insulation Tube is a flexible, closed cell and light weight elastomeric material ... adhesive that Hengbao suggested. For the pipe applications, the pipe to be insulated and the rubber surface should fit properly and no gap ...