Cathode and Sidewall blocks are primarily used in the aluminum industry. We have a presence in both North and South America with manufacturing facilities in China. In addition to marketing and distributing, we offer technical support and keep blocks in stock.

Properties UOM Test Standard GB-73 GB-8515 GB-G
Real Density g/cc ASTM C-838 1.92 1.96 1.90 1.94 2.16 2.20
Bulk Density g/cc ASTM C-559 1.58 1.62 1.56 1.60 1.58 1.62
Porosity % ASTM C-830 16 20 25
Compressive Strength MPa ASTM C-695 24 32 18
Flexural Strength MPa ASTM C-651 8 7.5 9
Young’s Modulus MPa ASTM C-747 10 10 8
Electrical Resistivity µΩm ASTM C-611 32 38 28 40 8 11
Coefficient of Thermal Expansion 1/K▪10-6 ASTM E-228 3.8 4 3.5
Thermal Conductivity @ 30C W/mK ASTM C-201 12 7 80
Ash Content % ASTM C-561 4 7 0.5
Sodium Expansion % Rapoport 0.7 0.7 0.7