| Price: | US $ 14-15/Piece |
|---|---|
| Trade Terms: | FOB,CFR |
| Min Order: | 10/Piece |
| Pay Type: | T/T,Western Union |
| Prod Model: | Graphite Stopper |
|---|---|
| Markets: | North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Carbon Content: | High-Carbon |
| Grade: | Industrial Grade |
| Type: | Graphite Mold |
| Crystal Morphology: | Flake Graphite |
| Forming Way: | Molded Graphite |
| Composition: | High Purty Graphite |
Bulk density (g/m3) | Max grain size (mm) | Ash (%) | Electrical Resistivity (μ Ω m) | Compressive Strength (MPa) |
1.60 | 0.8-2 | ≤0.5 | ≤10 | ≥20 |
1.68 | ≤8 | ≥22 | ||
1.72 | ≤7.5 | ≥25 | ||
1.75 | ≤7 | ≥28 |
Specifications | Unit | High-graphitic | Graphitic | graphitized | ||
30% | 50% | 80% | ||||
Real Density | g/cm3 | ≥1.94 | ≥1.98 | ≥2.00 | ≥2.08 | ≥2.20 |
Bulk Density | g/cm3 | ≥1.56 | ≥1.60 | ≥1.62 | ≥1.65 | ≥1.56 |
Special Electrical Resistivity | μΩm | ≤35 | ≤29 | ≤25 | ≤21 | ≤11-13 |
Ash Content | % | ≤5.0 | ≤4.5 | ≤3.0 | ≤2.0 | ≤0.4 |
Compressive Strength | MPa | ≥25 | ≥24 | ≥22 | ≥21 | ≥20 |
Bending Strength | MPa | ≥7.0 | ≥7.0 | ≥7.0 | ≥7.5 | ≥6.0 |
Modulus of Elasticity | GPa | ≤7.0 | ≤7.0 | ≤7.0 | ≤6.5 | ≤6.0 |
Coefficient of Thermal Expansion | 10-6/k | ≤4.0 | ≤4.0 | ≤4.0 | ≤4.0 | ≤2.0 |
Sodium Expansion | % | ≤0.8 | ≤0.7 | ≤0.6 | ≤0.5 | ≤0.5 |
Porosity | % | ≤20 | ≤19 | ≤19 | ≤21 | ≤25 |
Thermal Conductivity | W/mk | ≥8 | ≥12 | ≥12 | ≥15 | ≥100-130 |
Main Raw Materials | Imported or domestic graphite specialties, medium grain size graphite, graphite blocks, graphite electrode. | |||||
Processing Treatment | Oxidation retardant impregnation can be available. | |||||
Machining | Materials can be machined to finished products as per given drawings or samples. | |||||
Typical Applications | Instruments, copper and aluminium continuous casting, electronic industry, non-ferrous metal industry etc. | |||||
