Kathodenboden / Seitenwand-Block

Typical Specifications of Cathode (bottom) Blocks SpecificationsUnitHigh-graphiticGraphiticgraphitized30%50%80%Real Densityg/cm3≥1.94≥1.98≥2.00≥2.08≥2.20Bulk Densityg/cm3≥1.56≥1.60≥1.62≥1.65≥1.56Special Electrical ResistivityμΩm≤35≤29≤25≤21≤11-13Ash Content%≤5.0≤4.5≤3.0≤2.0≤0.4Compressive StrengthMPa≥25≥24≥22≥21≥20Bending StrengthMPa≥7.0≥7.0≥7.0≥7.5≥6.0Modulus of ElasticityGPa≤7.0≤7.0≤7.0≤6.5≤6.0Coefficient of Thermal Expansion10-6/k≤4.0≤4.0≤4.0≤4.0≤2.0Sodium Expansion%≤0.8≤0.7≤0.6≤0.5≤0.5Porosity%≤20≤19≤19≤21≤25Thermal ConductivityW/mk≥8≥12≥12≥15≥100-130