Bubble Zirconia

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Description

GNPGraystar’s Fused Calcia-Stabilized Bubble Zirconia is excellent for refractory applications due to its thermal shock resistance and chemical stability.

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

5.6 g/cm³

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5.7 g/cm³

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Densidad aparente

1.2 - 1.3 g/cm³

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ANSI B74.4

Mecánica

PropertyValueComment

Dureza (en mohs)

6.5 [-]

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Dureza Knoop HK2

1160 [-]

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Knoop (100)

Aplicaciones térmicas

PropertyValue

Temperatura de fusión

2550.0 °C

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Chemical properties

PropertyValueTesting StandardComment

Aluminio

0.8 %

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ANSI B74.14

Al₂O₃

Calcio

3.8 %

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ANSI B74.14

CaO

Circonio

94.85 %

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ANSI B74.14

ZrO₂+HfO₂

Hierro

0.05 %

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ANSI B74.14

Fe₂O₃

Silicona

0.4 %

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ANSI B74.14

SiO₂

Titanio

0.1 %

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ANSI B74.14

TiO₂

Technological properties

Property
Application areas

GNPGraystar’s Fused Calcia-Stabilized Bubble Zirconia is used in the production of lightweight refractory bricks and castables, as loose bulk backup insulation for high temperature induction and nitriding furnaces, and other applications that require high temperature usage, rapid heating and cooling, and chemical stability.

Color

Yellow

Crystal structure

Cubic & Monoclinic Mixture

Other

Various sizes available. Custom sizes are also availble upon request.