... , Unslit, Length 1.83, Temp. Range -50 to 110 C, Color Black, ID. 6 to 89mm, thickness 6 to 30m Closed Cell ... , Unslit, Length 1.83, Temp. Range -50 to 110 C, Color Black, ID. 6 to 89mm, thickness 6 to 30m HengBao Insulation ... , hotels and cold storage industries. Closed Cell Rubber Pipe lnsulation black color