Alumina Zirconia 40%

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Description

GNPGraystar’s Alumina Zirconia 40% is a hard, very tough, sharp abrasive. It is produced by fusing zircon sand and alumina at about 1900°C.

This material data has been provided by GNPGraystar Specialty Materials.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

Properties

General

PropertyValueComment

Bulk density

2.02 - 2.34 g/cm³

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ANSI B74.4

Crystal size

12.0 μm

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True particle density

4.6 g/cm³

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Mechanical

PropertyValueComment

Hardness, Knoop, HK2

1600 [-]

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Knoop (100)

Hardness, Mohs

9.0 [-]

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Thermal

PropertyValue

Melting point

1900.0 °C

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Chemical properties

PropertyValueTesting StandardComment

Aluminium

60 %

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ANSI B74.14

max. Al₂O₃

Calcium

0.09 %

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ANSI B74.14

CaO

Iron

0.25 %

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ANSI B74.14

Fe₂O₃

Magnesium

0.02 %

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ANSI B74.14

MgO

Silicon

0.33 %

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ANSI B74.14

SiO₂

Sodium

0.03 %

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ANSI B74.14

Na₂O

Titanium

0.25 %

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ANSI B74.14

TiO₂

Zirconium

39 %

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ANSI B74.14

ZrO₂

Technological properties

Property
Application areas

GNPGraystar’s Alumina Zirconia 40% is used for both coated abrasive products and organic bonded grinding wheels.