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MilliporeSigma

934062

Sigma-Aldrich

Óxido de alúmina

greener alternative

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

Sinónimos:

Alúmina

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About This Item

Fórmula lineal:
Al2O3
Número de CAS:
Peso molecular:
101.96
MDL number:
UNSPSC Code:
12352311

Quality Level

assay

99.9% trace metals basis

form

nanopowder

composition

Al2O3

greener alternative product characteristics

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

avg. part. size

135 nm

particle size

135 nm

mp

2040 °C (lit.)

bulk density

0.18 g/cm3

application(s)

battery manufacturing

greener alternative category

SMILES string

O=[Al]O[Al]=O

InChI

1S/2Al.3O

InChI key

TWNQGVIAIRXVLR-UHFFFAOYSA-N

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General description

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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Application

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.

Storage Class

13 - Non Combustible Solids

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Visite la Librería de documentos

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)

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