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Documentos Principais

934062

Sigma-Aldrich

Óxido de alumínio

greener alternative

alpha phase, nanopowder, 135 nm avg. part. size, 99.9% trace metals basis

Sinônimo(s):

Alumina

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About This Item

Fórmula linear:
Al2O3
Número CAS:
Peso molecular:
101.96
Número MDL:
Código UNSPSC:
12352311
NACRES:
NA.21

Nível de qualidade

Ensaio

99.9% trace metals basis

Formulário

nanopowder

composição

Al2O3

características do produto alternativo mais ecológico

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

Tamanho médio da partícula

135 nm

tamanho de partícula

135 nm

pf

2040 °C (lit.)

densidade volumétrica

0.18 g/cm3

aplicação(ões)

battery manufacturing

categoria alternativa mais ecológica

cadeia de caracteres SMILES

O=[Al]O[Al]=O

InChI

1S/2Al.3O

chave InChI

TWNQGVIAIRXVLR-UHFFFAOYSA-N

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Descrição geral

Aluminum oxide, alpha phase, nanopowder is a high-purity, ultrafine powder with an average particle size of 135 nm. Alpha-phase alumina nanopowder has superior mechanical and thermal stability, high hardness, and wear resistance. Its high dielectric strength and low dielectric loss make it a suitable material for insulators and capacitors in electronic components. Additionally, its biocompatibility, bioactivity, and wear resistance make it an attractive material for biomedical applications. This product has a purity of 99.9%, making it an ideal choice for a range of industrial applications. Our aluminum oxide nanopowder is carefully manufactured to ensure consistent quality and particle size distribution, resulting in superior performance and reliability.
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Aplicação

Alpha-phase alumina nanopowder with a purity of 99.9% finds its major applications in the production of advanced ceramics, nanocomposites, and as a catalyst support material. The high surface area and excellent dispersibility of alpha-phase alumina nanoparticles make them ideal as a reinforcing agent in nanocomposites, where they improve the mechanical, thermal, and electrical properties of the composite material. In advanced ceramics, the fine particle size of alpha-phase alumina nanopowder makes it a suitable material for use where a high degree of homogeneity is required. Alpha-phase alumina nanopowder is also used as a support material for catalysts due to its high surface area and excellent thermal stability. It is particularly attractive for catalytic applications due to its low acidity and high chemical inertness.

Código de classe de armazenamento

13 - Non Combustible Solids

Classe de risco de água (WGK)

nwg

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable


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Effect of Al2O3 Coating on Stabilizing LiNi0.4Mn0.4Co0.2O2 Cathodes
Wise A M, et al
Chemistry of Materials, 27, 6146-6154 (2015)
Interface and Material Characterization of Thin ALD-Al2O3 Layers on Crystalline Silicon
Naumann V, et al.
Energy Procedia, 27, 312-318 (2012)

Global Trade Item Number

SKUGTIN
934062-250G4065270203588

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