| Price: | US $ 14-15/Piece |
|---|---|
| Trade Terms: | FOB,CFR,EXW |
| Min Order: | 100/Piece |
| Pay Type: | T/T,Western Union |
| Prod Model: | Graphite Stopper 70*500mm |
|---|---|
| Markets: | North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Type: | Graphite Mold |
| Carbon Content: | High-Carbon |
| Forming Way: | Molded Graphite |
| Crystal Morphology: | Flake Graphite |
| Composition: | Graphite |
| Grade: | High Purty |
Graphite stopper 70*500mm
Used in furnaces because of graphite's low heat sensitivity
Used in the production of fluxing tubes used in the metal manufacturing industry
Other industries using graphite tubes include chemical and scientific industry
Hard Alloys, Graphite Mold, Diamond Aiguille, Saw Sinter Film, semiconductor Monocrystal Graphite Mold, Continuous Casting, Casting Steel, Alloys casting, Metals Casting, Graphite for Ray-cable, Graphite for Mid or Mini-type Rocket, Crucibles
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. | |||||
