Unit | Carbon Felt (B10M) | Graphite Felt (B22M) |
Average weight per unit area (average surface density), g/m2 | 290±60 450±90 650±90 800±90 950±90 |
290±60 450±90 650±90 800±90 950±90 |
Width of felt, cm | 55±5 65±5 90±5 100±5 |
55±5 65±5 90±5 100±5 |
Average thickness, mm | 3 - 10 | 3 - 10 |
Ash content, % | 3,5 max | 1,0 max |
Carbon content, % | 85 min | 99 min |
Breaking strength, N, min, longitudal | 60 | 20 |
Specific surface resistance, Ohm | 3 | 1 |
Specific 3D (volumetric) resistance, Ohm∙cm | 0.15 max | 0.15 max |
Bulk density, kg / m3 | 80 - 130 | 80 - 130 |
Thermal conductivity in range of 20-2000 °C, W / (m · K) | 0,07 – 0,5 | 0,07 – 0,5 |
Heat capacity, J / (kg ∙ K) | 800 | 800 |
Width and surface density of the material can be changed