Get reliable performance and high quality with Iveco FRK pipe insulator with a density of 64 kg/m³ and dimensions of 4Xth=2. Durable design and high-quality materials make it an ideal choice for providing thermal insulation and maintaining the efficiency of your piping system. Insulator density: 64 kg/m³. Insulator dimensions : 4Xth=2 (a certain value of .