Features for Molded GraphiteOur Iso-molded graphite can be manufactured as blocks and rounds in various sizes and can be purified to less than 20 ppm as per your request. For properties of popular XRD sizes please see table below:
High Purity Molded Graphite
| 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-4w | General Purpose | 1.75 | 8-11 | 42 | 38 | 65 | 17 | 500 | 50 | 13-15 |
| xrd-5w | General Purpose | 1.85 | 8-10 | 48 | 46 | 85 | 13 | 500 | 50 | 13-15 |
| xrd-5r | EDM | 1.68 | 13 | 51 | 38 | 86 | 18 | 500 | 50 | 13-15 |
| xrd-10w | EDM,Photovoltaic | 1.76 | 12-14 | 56 | 41 | 85 | 16 | 500 | 50 | 12 |
| xrd-20b | Bearing | 1.45-1.53 | 11-15 | 32 | 16 | 28 | 23 | 1000 | 50 | 15 |
| xrd-30b | General Purpose | 1.68 | 11-14 | 38 | 25 | 48 | 20 | 1000 | 50 | 15 |
| xrd-40b | General Purpose | 1.8 | 7-12 | 42 | 38 | 72 | 17 | 900 | 50 | 15 |
| xrd-50b | General Purpose | 1.84 | 7-12 | 50 | 45 | 86 | 13 | 900 | 50 | 15 |
| xrd-20h | Lubrication | 1.55 | 11-15 | 30 | 16 | 28 | 23 | 1000 | 50 | 15 |
| xrd-40d | EDM | 1.68 | 12-16 | 50 | 40 | 82 | 18 | 1000 | 50 | 11 |
| xrd-50d | EDM | 1.78 | 12-16 | 55 | 45 | 88 | 13 | 900 | 50 | 11 |
| Popular Sizes (mm) | ||||||
| Φ106*110 | Φ106*250 | Φ130*160 | Φ130*250 | Φ180*200 | Φ180*250 | Φ225*250 |
| Φ250*300 | Φ240*410 | Φ300*250 | Φ330*250 | Φ350*220 | Φ350*250 | Φ450*380 |
| Φ480*380 | 210*210*60 | 210*210*90 | 300*200*120 | 300*250*113 | 310*310*150 | 340*310*113 |
| 350*280*120 | 350*280*150 | 350*280*160 | 350*280*180 | 380*300*95 | 380*300*105 | 390*120*120 |
| 400*310*130 | 400*310*140 | 400*310*150 | 400*310*160 | 400*310*180 | 430*130*105 | 430*130*130 |
| 440*260*130 | 440*260*140 | 450*150*150 | 450*200*150 | 450*200*210 | 450*350*240 | 500*300*200 |
| 550*150*250 | 530*400*200 | 570*400*200 | 580*500*200 | 650*210*140 | 800*300*200 | 900*210*230 |
1. The figures above are typical values, and to be considered minimum or maximum.
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.
