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Thermochromism refers to the phenomenon where a material undergoes color changes under temperature changes. This change is usually caused by changes in the electronic or molecular structure of the material. Its application principle mainly involves t...
100nm,99.9% silicon nitride nano powders with high quality use as the molds, cutting tools, turbine blades, turbine rotor and the cylinder wall coatings so on.
product origin:
China,jiangsuitem no.:
L559shipping port:
GZcolor:
gray whitepayment:
T/T, PayPalhigh 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.
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