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All the material are high purity graphite and fine-grain, as a graphite manufacturer who can provide stable supply for big customer, we have uniform shaped graphite rods and graphite blocks in stock all the time.
Isostatic graphite refers to a graphite material obtained by pressing a high-purity graphite powder in a sealed liquid environment at a normal temperature and transferring the powder by ultra-high pressure. Because the pressure in the liquid is equal on each side, it is called cold isostatic pressing. The shaped graphite has the same performance values in different directions.
Features:
XRD's Isostatic graphite products has a series of excellent properties compared to ordinary graphite, indcluding:
Strong Thermal Stability
Low Expansion Ratio
Excellent Chemical Resistance
Excellent Electrical Conductivity and Thermal Conductivity
Good Machinability
Properties Data:
| XRD Graphite Grades | Applications | Bulk Density | Electrical Resistivity | Hardness | Flexural Strength | Compressive Strength | Porosity | Ash Content | Ash Content(Purified) | Average Grain Size |
|---|---|---|---|---|---|---|---|---|---|---|
| g/cm3 | μΩm | HSD | Mpa | Mpa | % | PPM | PPM | μm | ||
| xrd-4k | Vacuum Furance,Sintering | 1.72 | 10-13 | 40 | 30 | 65 | 17 | 500 | 50 | 25 |
| xrd-6k | Photovoltaic,Vacuum Furance | 1.81 | 11-14 | 60 | 45 | 90 | 12 | 500 | 50 | 12 |
| xrd-6ks | Photovoltaic,Vacuum Furance,Precious Metal Smelting | 1.86 | 10-13 | 65 | 48 | 100 | 11 | 500 | 50 | 12 |
| xrd-7k | EDM | 1.83 | 11-14 | 67 | 50 | 110 | 12 | 500 | 50 | 8 |
| xrd-8k | EDM,Precious Metal Smelting | 1.86 | 10-14 | 72 | 55 | 120 | 12 | 500 | 50 | 6 |
| xrd-9k | EDM,Precious Metal Smelting | 1.90 | 10-14 | 75 | 60 | 125 | 10 | 500 | 50 | 4 |
| xrd-30k | EDM | 1.80 | 15-19 | 80 | 43 | 130 | 12 | 500 | 50 | 12 |
| xrd-40k | EDM | 1.92 | 13-15 | 80 | 75 | 155 | 8 | 500 | 50 | 1 |
| xrd-6w | Continuous Casting,Sintering,High Temperature Casting | 1.90 | 8-9 | 53 | 55 | 95 | 11 | 500 | 50 | 10 |
| xrd-7w | EDM,Photovoltaic | 1.85 | 11-13 | 65 | 51 | 115 | 12 | 500 | 50 | 10 |
| xrd-8w | EDM,Photovoltaic | 1.91 | 11-13 | 70 | 60 | 135 | 11 | 500 | 50 | 10 |
2. Unit conversion: μΩ•m=μΩ•cm×0.01 MPa=kgf/cm2×0.098 GPa=kgf/mm2×0.0098 W/(m•K）=kcal/h•m℃×1.16
3. There are other product sizes in addition to those described above. Contact XRD Graphite for more details.
Application:
Isostatic graphite is an ultra fine grain graphite used for applications where the mechanical properties of other fine grain graphites are inadequate.
Main applications of our isostatic graphite includes:
Photovoltaic Industry
Semiconductor & LED Industries
High Temperature Furnaces
Electrical Discharge Machining
Metal Industry
Glass and Refractory Industries
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