Unique microstructure and thermal insulation property of a novel waste-utilized foam ceramic
F.H. Kuang, S.M. Wang, C. Gao, H.B. Zhang, R.K. Ren, J.L. Ren, J. Tong, Y.M. Liu, J. Liu
Table 1 Calculated thermal conductivity and tested thermal conductivity of CaO-Al2O3-SiO2 foam ceramic.
Porosity
(%)
Calculated thermal conductivity
(w/m·K)
Tested thermal conductivity
(w/m·K)
60 0.52 0.67
68 0.41 0.45
78 0.27 0.26
85 0.18 0.14
90 0.12 0.08
92 0.10 0.07
94 0.07 0.05