Unit Thickness （mm） Electrical Resistivity mΩcm Thermal Conductivity　　 W/（m・K) Gas permeability ml・mm/ (c�u・hr・mmAq) Porosity (%) Bulk Density (g/cm3） Surface Roghness （μm） Coefficient of thermal Expansion （in plane） （25〜100℃） (×10-6/℃) Flexural Strength （MPa） Flexural Modulus （GPa） Tensile Strength （kgf/cm） through plane in plane through plane (room temp.) in plane (room temp.) in plane (100℃) TGP-H-030 0.11 80 - - - - 2500 80 0.40 8 -0.8 40 8 - TGP-H-060 0.19 80 5.8 (1.7) 21 23 1900 78 0.44 8 -0.8 40 10 5 TGP-H-090 0.28 80 5.6 (1.7) 21 23 1700 78 0.44 8 -0.8 40 10 7 TGP-H-120 0.37 80 4.7 (1.7) 21 23 1500 78 0.45 8 -0.8 40 10 9 　- Above data are experimental values and are not guaranteed. 　- Please ask about a measuring method. 　- Standard sizes : 15 inch board, 400mm board, and 800mm board.