Overview
Product Details
Product Description
Smelting metal graphite crucible
Graphite Crucibles are widely used in melting gold, silver and other precious metals or rare metals.
The Graphite crucible have adopted three kinds of materials:Fine-grain Specialty Graphite, High pure graphite, Isostaic graphite.Physical and chemical index:
Fine-grain Specialty Graphite | High pure graphite | Isostaic graphite | ||
Item | Unit | Typical value | Typical value | Typical value |
Max grain size | 0.8mm | ≤325mesh | 5-22vm | |
Bulk density | g/cm3 | 1.73-1.76 | 1.68-1.85 | 1.8-1.85 |
Specific resistance | Μ Ω .m | 7.5 | ≤14 | ≤15 |
Bending strength | M pa | 11-12.5 | ≥25 | 12.5 |
Compressive strength | M pa | 27-34 | ≥50 | 34 |
Thermal Conductivity | W/(m .k) | 150-160 | ≥130 | 160 |
C.T.E.(100-600)℃ | 10-6/℃ | 2.2 | ≤2.5 | 2.1 |
Ash content | % | 0.09 | ≤0.15 | 0.09 |
Trading Area
Global