Density: 2.18-2.20 g/cm3
Tensile strength: 72Mpa a-b
Compressive strength: 80Mpa a-b
Bending strength: 80Mpa a-b
Ash: 0.03%
Resistivity: Ohm. Cm 2 X 10(-6) a-b
Ohm. Cm 0.6X 10(-6) c
Thermal conductivity: 0.9 K/cm. S. C a-b 0.005 c
Thermal expansion coefficient: 3.2 X 10(-6) a-b3.3 X 10(-6) c
Diamagnetic properties: 21.7 X10(-6) cgs/g 2000C a2.88 X10(-6) cgs/g 2000C c
27.5 X 10(-6) cgs/g 2000C t
Distance between layers: 3.45 A
