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.

Diese Materialdaten wurden von GNPGraystar Specialty Materials zur Verfügung gestellt

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Ashby charts

Eigenschaften

Allgemein

PropertyValueComment

Dichte

1.98 - 2.38 g/cm³

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loose pack density

Kristallgröße

17.0 μm

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Schüttdichte

2.11 - 2.54 g/cm³

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ANSI B74.4

True particle density

4.6 g/cm³

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Mechanisch

PropertyValueComment

Härte, Knoop, HK2

1600 [-]

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Knoop (100)

Härte, Mohs

9.0 [-]

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Thermisch

PropertyValue

Schmelzpunkt

1900.0 °C

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Chemical properties

PropertyValueTesting StandardComment

Aluminium

75 %

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ANSI B74.14

max. Al₂O₃

Eisen

0.3 %

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ANSI B74.14

Fe₂O₃

Kalzium

0.1 %

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ANSI B74.14

CaO

Magnesium

0.03 %

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ANSI B74.14

MgO

Natrium

0.08 %

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ANSI B74.14

Na₂O

Schwefel

0.06 %

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ANSI B74.14

Silizium

0.3 %

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ANSI B74.14

SiO₂

Titan

0.4 %

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ANSI B74.14

TiO₂

Zirkonium

23 %

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ANSI B74.14

ZrO₂

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.