PU-Boards
Specimen preparation, storage and disposal
Specimen dimensions, density according to EN 822/823/1602 (flat products)
Closed cell content according to ISO 4590 with surface correction
Cell gas determination by gas chromatography (XPS)
Thermal conductivity - PU - normality test according to EN 14308
Thermal conductivity according to EN 12667 at -170 °C and in the temperature range from -75 °C to +25 °C, 5 measuring points
Thermal conductivity according to EN 12667 in the temperature range from 50 °C to 120 °C warm side temperature, 2 measuring points
Verification of the maximum service temperature according to EN 14706
Tensile strength according to EN 1607 at low temperatures (about -165 ° C)
Coefficient of thermal expansion and contraction - thermal change in length 23 °C to -165 °C
PU Pipe Section
Specimen dimensions, density according to EN 13467/13470 (preformed products)
Thermal conductivity according to EN ISO 8497 in the temperature range from -40 °C to 70 °C mean temperature (ΔT_mean = 50 K), 3 measuring points
Verification of the maximum service temperature according to EN 14707 PTD/CE (3times)