ZIRCHROM 50

Range
Sintered
Subtitle

Sintered 50% chrome-alumina and alumina-zirconia-silica (AZS)

Description

High corrosion resistance.

Typical application

ZIRCHROM 50 is mainly used for glass contact and superstructure application for insulation glass furnaces.

For crown application, refer to ZIRCHROM HC.

Also a potential material for overcoating applications.

Chemical and physical properties

Typical chemical composition

 

Typical crystallographic analysis

  • Cr2O- Al2O3 solid solution
  • Corundum
  • Monoclinic zirconia

Physical characteristics

Description International standards British standards
Cold crushing strength 150MPa 21,756psi
Coefficient of thermal expansion at 1,000°C 8 10-6°C 4.4 10-6°F-1
Thermal conductivity at 1,000°C 2.1 W.m-1.K-1

14.6 BTU
in hr-1ft-2°F-1

Open porosity 15% 15%
Typical bulk density 3.55g/cm3 222pcf

Storage

The sintered 50% chrome-alumina and alumina-zirconia-silica (AZS), ZIRCHROM 50 solution must be stored in a dry environment protected from weather conditions.

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