... tube insulation 2, Low thermal conductivity 3, Easy installationheat insulation materialThermal insulation tube with brand name ... Moisture & Water vapor Diffusion Resistance3, Fire safety4, Easy installation5, Environmental friendly & improved IAQFire resistance CertificateBS 476 ... class 1 & part 6 class 0FM ApprovedTechnical Data :Physical PropertiesUnitDataTest MethodsThermal Conductivity-20040 W/m·K ...