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silicon nitride nanoparticles

Profile:Manufacturer - Producer|Ref:PSL39804YH | Country: China | Currency: | Export: No

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country : China

Product Name: Silicon nitride whisker
Purity: 99.0 %
Color: sandy beige
APS: 100nmx800nm
[O] <0.62%
SSA: 45 m2/g
Bulk density: 0.44 g/cm3
Crystal cell: Hexagonal
Si3N4 whisker material offer lower sintering temperature, high mechanical strength, good chemical stability or anti-corrosion. As dispersion phase in nanoceramic composites, it increases the strength especially at high temperature with a lower friction surface toward improved overall performances of the composites. Silicon nitride can be used as intensifier of composites of metal matrixes, ceramic matrixes and graphite matrixes; composite paint, binders, rubbers and plastics, and other polymer matrix composite. For example, silicon nitride can reinforced Al-matrix composite, alumina ceramic composite, silicon carbide ceramic, silicon nitride ceramic.
Chemical formula: Si3N4 amorphous
Purity: >99.0%
[O] <0.62%
free [Si] <0.2%
APS: 20 nm
SSA: 115 m2/g
True density: 3.4 g/cm3
Bulk density: 0.05 g/cm3
Crystal cell: amorphous
Color: White
Shelf time: 24 months
It possesses high purity, small and uniform particle diameters, large specific surface area, high surface activity, low loose loading density, the violet reflectance larger than 90% and is the best additives of super thin textile absorbing infrared ray, the infrared absorptivity larger than 70%, lower sintering temperature, high mechanical strength, good chemical stability or anti-corrosion and self lubricating. Low formation ceramic temperature of devices, wear aging, especially, large high temperature strength. Because nanometer Si3N4 forms the dispersive phase in composite, general properties of composites are greatly improved. Silicon nitride nano powder composites with chemical materials such as nylon and PET have specialized properties, such as improve electric conductivity, absorb wave.

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