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physical properties
- Density 2,65 Kg/dm³
- Modules of elasticity 72000-78000 N/mm²
- Thermal expansion coefficient 20 - 200°C, 21x10-6/°C
- Specific heat at 100°C approx. 0,23 cal/g
- Heat conductivity at 20°C, 0,33 - 0,40 cal/cm x sec. °C
- Electrical conductivity at 20°C, 18 - 24 m/Ohm mm²
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