ARKAL 60 PR V

Sintered
Expendables

Sintered mullite 68% alumina

Good glass contact properties and thermal shock resistance. Low iron oxide content. Available in complex and large shapes.

Typical application Chemical and physical properties Storage
Sintered

Typical application

ARKAL 60 PR V is dedicated to complex and large shape for glass contact application such as :

  • forehearth channel blocks,
  • day-tank blocks,
  • flow blocks, skimmer and flow blocks,
  • spout lip sub paving, restrictor and wetback tiles.

 

ARKAL 60 PR V properties are also adapted to the expendable applications like mandrels for Danner tubing process.

 

Chemical and physical properties

Microstructure

ARKAL 60 microstructure

Typical chemical composition

 
 

Typical crystallographic analysis

Main phase:

  • mullite
  • corundum

Physical characteristics

Description International standards British standards
Refractoriness under load of 2 105 Pa, at 0.5% 1,600°C 2,912°F
Cold crushing strength 90Mpa 13,053psi
Linear thermal expansion 5.2 10-6K-1 2.9 10-6°F-1
Thermal conductivity at 1,000°C 2 W.m-1.K-1

13.9 BTU
in hr-1ft-2°F-1
Apparent porosity 15% 15%
Typical bulk density 2.55g/cm3 159pcf

Expansion curve

Expansion curve sintered ARKAL 60 PR V

Thermal conductivity curve

Thermal conductivity curve sintered ARKAL 60 PR V

Electrical resistivity curve

Electrical resistivity curve sintered ARKAL 60 PR V

Storage

The sintered mullite 68% alumina, ARKAL 60 PR V solution must be stored in a dry environment protected from weather conditions.

Expendables Catalog

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