Alumina Zirconia 25%

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Description

GNPGraystar’s Alumina Zirconia 25% is a hard, very tough, sharp abrasive. It is produced by fusing zircon sand and alumina at about 1900°C.

Los datos sobre este material han sido proporcionados por GNPGraystar Specialty Materials.

A menos que se indique lo contrario, todas las medidas corresponden a condiciones de temperatura ambiente. A menos que se indique lo contrario, se utilizan las unidades del SI.
Las normas armonizadas son similares a uno o varios estándares del proveedor. Es posible que algunas normas armonizadas se ajusten al estándar original, mientras que otras pueden quedar fuera de su alcance.

Ashby charts

Propiedades

General

PropertyValueComment

Densidad

1.98 - 2.38 g/cm³

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loose pack density

Densidad aparente

2.11 - 2.54 g/cm³

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ANSI B74.4

Tamaño de los cristales

17.0 μm

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True particle density

4.6 g/cm³

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Mecánica

PropertyValueComment

Dureza (en mohs)

9.0 [-]

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Dureza Knoop HK2

1600 [-]

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Knoop (100)

Aplicaciones térmicas

PropertyValue

Temperatura de fusión

1900.0 °C

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Chemical properties

PropertyValueTesting StandardComment

Aluminio

75 %

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ANSI B74.14

max. Al₂O₃

Azufre

0.06 %

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ANSI B74.14

Calcio

0.1 %

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ANSI B74.14

CaO

Circonio

23 %

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ANSI B74.14

ZrO₂

Hierro

0.3 %

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ANSI B74.14

Fe₂O₃

Magnesio

0.03 %

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ANSI B74.14

MgO

Silicona

0.3 %

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ANSI B74.14

SiO₂

Sodio

0.08 %

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ANSI B74.14

Na₂O

Titanio

0.4 %

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ANSI B74.14

TiO₂

Technological properties

Property
Application areas

GNPGraystar’s Alumina Zirconia 25% is used primarily for producing large grinding wheels for foundry snagging and track grinding. It is also an excellent blasting material for granite and other materials where long life is required, as well as in some refractory applications.