High temperature resistance and oxidation resistance Graphite Block for Kiln
lttrade.en.made-in-china.com
A: Company profile
L.T Group has a comprehensive product and technology portfolio that focuses on four fields ofgraphite - ultrafine particle
graphite mould, graphite electrode, graphite crucible, as well as other products mainly made of graphite.
B: Why choose us
Graphite product plays a dual role in the process of diamond tools manufacture:Heating element and Supporting mold.The quality of graphite mold is very important, will directly affect the next diamond tools' accuracy and appearance.So, which kind of graphite mold is suitable for sintering diamond tools:
a: Good performance on conductivity and high rate resistivity
b: Enough Mechanical Strength
c: Good performance on Oxidation resistance
d: Durable
c: Tech Data
| Granularity mm | 0.8 | 0.8 | 2 | 2 |
| LTGM-1 | LTGM-2 | LTGM-1 | LTGM-2 | |
| Density g/cm³ | ≥1.58 | ≥1.70 | ≥1.58 | ≥1.70 |
| Resistivity μΩ·m | ≤12 | ≤8.5 | ≤12 | ≤9 |
| Compressive strength Mpa | ≥19 | ≥35 | ≥19 | ≥30 |
| Bending strength | ≥7.8 | ≥13.5 | ≥7.8 | ≥13 |
| Thermal expansion coefficient 10-6/ºC | ≤2.0 | ≤2.2 | ≤2.0 | ≤2.2 |
| Ash content % | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 |
| Description | LT-4 | LT-5 | LT-7 | LT-8 |
| Density g/cm³ | 1.8 | 1.85 | 1.85 | 1.91 |
| Electrical Resistivity uΩ·m | 10-12 | 8.5-10 | 11-13 | 11-13 |
| Flexural Strength MPa | 43 | 46 | 51 | 60 |
| Compressive Strength MPa | 80 | 85 | 115 | 135 |
| Thermal Conductivity W/m*K | 110 | 139.2 | 85 | 85 |
| Temperature resistance ºC | 4350 | 4350 | 4350 | 4350 |
| Ash content % | 0.03 | 0.03 | 0.03 | 0.03 |
