Characteristic;Value
Density, g/cm^3;1,32-1,4
Ultimate strength, MPa
- in tension;120-210
- in compression, perpendicular to pressing direction;115-180
- in compression, parallel to pressing direction;140-220
Charpy impact energy, kJ/m^2; 35-60
Rockwell hardness test (for plastics), scale units;70-90
Equilibrium moisture content, %;2,7-3,5
Water absorbing capacity in cold water (24 hours), %;1,4
Oil-resistance (24 hours), %;0,037
Gasoline resistance (24 hours), %;0,05
Surface resistivity, Ω; 9,7·10^12
Volume resistivity, Ω•m; 6,5·10^10
Dielectric dissipation factor at 10^6 Hz frequency;0,041
Permittivity at 106 Hz frequency;5,2
Dielectric strength at 50 Hz frequency, kV/mm;16,4
Linear wear rate, mm/km;1·10^(-7)
Counter body wear rate;2-3 times lower compared to traditional wear-resistant materials
Frictional heat resistance, degrees C;-80 to +300
Thermal conductivity, W/m•K;0,15-0,18
Coefficient of linear thermal expansion, ·10^(-6);2,6-4,3
Coefficient of friction, dry;0,08-0,23
Coefficient of friction, water;0,07-0,10
Coefficient of friction, oil;0.04-0.06