Advantages of Molded Graphite Blocks Carbon Blocks
High temperature resistence.
Perfect thermal resistance property.
Excellent electrical conductivity and thermal conductivity.
Good lubrication.
Strong chemical stability
Low electric resistance
Physical and chemical index Foundry using Molded Graphite Blocks Carbon Blocks
high pure graphite | ||||
Item | Unit | baked twice | baked three time | baked four times |
impregnated once | impregnated twice | Impregnated three times | ||
grain size | mm | ≤325mesh | ≤325mesh | ≤325mesh |
Bulk density | g/cm3 | ≥1.68 | ≥1.78 | ≥1.85 |
Specific resistance | μΩ.m | ≤14 | ≤14 | ≤13 |
Bending strength | MPa | ≥25 | ≥40 | ≥45 |
Compressive strength | MPa | ≥50 | ≥60 | ≥65 |
Ash content | % | ≤0.15 | ≤0.1 | ≤0.05 |