high hardness 100nm,99.9% silicon nitride nano powders
Specification:
| Stock # | size | purity |
| L559 | 100-200nm | 99.9% |
| L560 | 0.3-0.5um | 99.9% |
| L562 | 0.3-0.5um | 99.99% |
| L566 | 0.6-0.8um | 99.9% |
| L567 | 0.8-1um | 99.9% |
| L568 | 2um | 99.9% (alpha) |
| L569 | 2um | 99.9% (beta) |
Silicon Nitride powders feature:
1. The hardness of silicon nitride powders is about 9 to 9.5, Knoop hardness is about 2200, micro hardness is 32630Mpa, melting point is 1900 °C (under pressure) and thermal conductivity rate is 16.7W / (m · K).
2. With high surface activity, low bulk density, UV reflectivity is more than 95% and absorption rate of infrared band is above 97%.
3.Does not dissolve in water, soluble in hydrofluoric acid.
4.Nano silicon nitride modulus: 28420 ~ 46060Mpa; bending strength: 147MPa; compressive strength: 490MPa (reaction sintering). It is an important structural ceramic materials and a super-hard material.
For the further information of the silicon nitride powders please contact us freely.
