ZIRCHROM 30

Range
Sintered
Subtitle

Sintered 30% chrome-alumina and AZS

Description

Good corrosion and thermal shock resistance.

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 160MPa 23,206psi
Coefficient of thermal expansion at 1,000°C 8 10-6°C 4.4 10-6°F-1
Thermal conductivity at 1,000°C 1.7 W.m-1.K-1 11.8 BTU
in hr-1ft-2°F-1
Open porosity 16% 16%
Typical bulk density 3.4g/cm3 212pcf

Typical application

ZIRCHROM 30 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.

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ZIRCHROM 50

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Very high corrosion resistance with high thermal-mechanical properties.

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ZIRCHROM HER

Sintered 30% chrome-alumina

High electrical resistivity. Good corrosion and thermal shock resistance.