Thermophysical Properties: Insulation Materials
From Thermal-FluidsPedia
Insulating Materials
Materials T(°C) k (W/m-K) ρ (kg/m3) c (J/kg-K) α (10-7m2/s) Asbestos Loosely packed 0 0.154 470-570 0.816 3.3-4 100 0.161 Asbestos-cement boards 20 0.74 Sheets 51 0.166 Felt, 40 laminations in 38 0.057 Balsam wool 32 0.04 35 Board and slab Cellular glass 30 0.058 145 1.000 Glass fiber, organic bonded 30 0.036 105 0.795 Polystyrene, expanded extruded 30 0.027 55 1.210 (R-12) Mineral fiberboard; roofing material 30 0.049 265 Cardboard, corrugated 0.064 Celotex 32 0.048 Corkboard 30 0.043 160 Diatomaceous earth (Sil-o-cel) 0 0.061 320 Felt, hair 30 0.036 130-200 Wool 30 0.052 330 Fiber, insulating board 20 0.048 240 Glass wool 23 0.038 24 0.7 22.6 Loose fill Cork, granulated 30 0.045 160 Glass fiber, poured or blown 30 0.043 16 0.835 Vermiculite, flakes 30 0.068 80 0.835 Magnesia, 85% 38 0.067 270 150 0.074 204 0.080 Rock wool, 10 lb/ft3 32 0.040 160 Loosely packed 150 0.067 64 260 0.087 Sawdust 23 0.059 Silica aerogel 32 0.024 140 Wood shavings 23 0.059
References
Faghri, A., and Zhang, Y., 2006, Transport Phenomena in Multiphase Systems, Elsevier, Burlington, MA.
Faghri Amir , Zhang Yuwen , Howell John, 2010, Advanced Heat and Mass Transfer, Global Digital Press, Columbia, MO
Ozisik, M.N., 1993, Heat Conduction, 2nd ed., Wiley-Interscience, New York.