Durkflex FG Pipe Insulation
Durkflex Tube is a flexible, elastomeric thermal insulation. It is a high performance
thermal insulation with the closed microcellular structure. Durkflex FG Tube is specially
designed for the places where a high standard of fire safety is required, such as the factories and
workshops of the electronic industry, food industry, chemical industry, public building and etc.Physical Properties Unit Data Test Method Thermal Conductivity W/m•K
(BTU•in/ hr•ft2
)0.031 (0 .225) at -20°C
0.034 (0 240) at 0°C
0.038 (O 260) at 40°C
ASTM C518 / C177 Water Vapor Permeabilitld
Moisture Resistance Factor
Water Absorption (b!J volume)Kg/S•m•P
%1.16 X 10(13)
μ ≥ 7300
≤0.2
ASTM E96 Fire Safety and
Smoke Developed*25/50
Class 1 / Class 0
FM ApprovedASTM E84 / ULC S102
BS 476 Part 7 / Part 6
FM UBC 26-3 / 4924Density Kg/m3 (lbs/ft3
)50-70 (3 .125 - 4.375) ASTM D1667 Mold Resistance Good UL 181 Fungi Resistance Good ASTM G21 UV 8 Weather Resistance Good ASTM G23 Ozone Resistance Good Dimensional Stability % 0 to 7% ASTM C534 Temperature Range °C -50-110(-58- 230)