Rongsheng Refractories Group
Aluminum Nitride Ceramic Substrate – it is a high performance engineering ceramic, which is sintered from aluminum nitride powder at high temperature. It has extremely high hardness, wear resistance, corrosion resistance and high temperature stability.
Parameter of Aluminum Nitride Ceramics
| Subject | Unit | Real estate index | ||
| AN170 | AN200 | AN220 | ||
| Color | – | Gray | Gray | Beige |
| Water absorption | % | 0 | 0 | 0 |
| Bulk Density | g/cm3 | ≥3.3 | ≥3.3 | ≥3.26 |
| Surface roughness | One | 0.1-0.6 | 0.1-0.6 | 0.1-0.6 |
| Convex | Length‰ | ≤2 | ≤2 | ≤2 |
| Thermal conductivity (20℃) | W/m.k | ≥170 | ≥200 | ≥220 |
| Thermal expansion coefficient | 20℃~300℃(*10-6/℃) | 4.6 | 4.6 | 4.5 |
| 40℃~800℃(*10-6/℃) | 5.2 | 5.2 | 5.2 | |
| Flexural strength | Mpa | ≥450 | ≥300 | ≥200 |
| Modulus strength | Gpa | 320 | 310 | 310 |
| Hardness Moz | – | 8 | 8 | 8 |
| dielectric strength | KV/mm | ≥17 | ≥16 | ≥15 |
| Volume resistivity | Ω.cm | ≥1014 | ≥1014 | ≥1013 |
| The dielectric constant | – | 9 | 8.6 | 8.5 |
| Dielectric losses | X10-4 | 2.98 | 2 | 2 |
Introduction to Rongsheng Company
Rongsheng is a professional fireproof material supplier with 10 years of export experience to more than 80 countries. Rongsheng's main products are various fire bricks, shapeless fireproof materials, metallurgical materials, thermal insulation materials and so on.
