Physical and chemical index
Item | Unit | Grade | |||||
Max Grain Size | mm | 0.8 | 0.8 | 2 | 2 | 4 | 4 |
Bulk Density | g/cm³ | ≥1.70 | ≥1.73 | ≥1.58 | ≥1.70 | ≥1.57 | ≥1.69 |
Specific Resistance | µΩ.m | ≤8.5 | ≤8.0 | ≤11.5 | ≤8.5 | ≤11.5 | ≤8.5 |
Flexural strength | Mpa | ≥10.0 | ≥12.0 | ≥6.0 | ≥9.0 | ≥6.5 | ≥9.5 |
Compressive Strength | Mpa | ≥24.0 | ≥31.0 | ≥18.0 | ≥30.0 | ≥17.5 | ≥29.0 |
Thermal Conductivity | W/(m.K) | ≥120 | ≥130 | ||||
C.T.E(100-600)ºC | 10-6/°C | ≤2.5 | ≤2.5 | ≤2.5 | ≤2.5 | ≤2.5 | ≤2.5 |
Ash Content | % | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 |
Item | Unit | OZIM-1 | OZIM-2 | OZIM-3 |
Grain | mm | ≤325mesh | ≤325mesh | ≤325mesh |
Bulk density | g/cm³ | ≥1.68 | ≥1.78 | ≥1.85 |
Specific resistance | µΩ.m | ≤14 | ≤14 | ≤13 |
Flexrual strength | Mpa | ≥25 | ≥40 | ≥45 |
Compressive strength | Mpa | ≥50 | ≥60 | ≥65 |
Ash content | % | ≤0.15 | ≤0.1 | ≤0.05 |
Isostatic graphite
Item | Unit | Domestic material | Import material |
Bulk dengsity | g/cm³ | 1.8-1.85 | 1.92 |
Specific resistance | μΩ.m | ≤15 | 10 |
Flexrual strength | Mpa | ≥40 | 63.7 |
Compressive strength | Mpa | ≥85 | |
Thermal conductivity | W/(m.k) | 128 | |
Ash content | % | ≤0.03 | |
C.T.E(100-600)°C | 10-6/°C | 4.0-5.2 | 5.5 |
Shore hardness | ≥65 | 68 |
200*200*63 | 150*290*380 | 185*280*380 |
200*200*70 | 150*280*270 | 180*300*490 |
200*200*90 | 150*256*318 | 200*305*510 |
120*200*300 | 123*125*410 | 200*410*510 |
120*260*320 | 130*256*440 | 140*245*535 |
150*260*320 | 210*210*435 | 158*255*430 |
120*210*310 | 140/150/160/180*310*410 | 150*300*490 |
150*310*310 | 150*210*660 | 230*310*850 |
150*250*318 | 140*210*660 | 200*300*790 |
150*260*330 | 150*205*450 | 400*300*400-2500 |
Rounds | Diameter (mm): 60, 100, 125, 135, 150, 200, 250, 300, 330, 400, 455 Thickness (mm): 100, 135, 180, 220, 250, 300, 450 |