ARKAL 65 V

Range
Sintered
Subtitle

Sintered mullite 67% alumina

Description

High corrosion resistance to alkali vapours. Excellent creep resistance. Available in complex and large shapes.

Typical application

ARKAL 65 V is adapted to superstructure application with complex and large shape. Used in:

  • working end and wide feeder superstructure for various type of glasses,
  • flat arches in canal and spout lip area for float glass furnaces.

Can sustain more severe operating conditions in term of temperature and creep resistance compared to ARKAL 60 V.

Chemical and physical properties

Microstructure

Image
ARKAL 65 V microstructure

Typical chemical composition

 

Typical crystallographic analysis

Main phase:

  • mullite

Physical characteristics

Description International standards British standards
Refractoriness under load of 2 105 Pa,
at 0.5%
1,585°C 2,885°F
Cold crushing strength 100Mpa 14,503psi
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 16% 16%
Typical bulk density 2.6g/cm3 162pcf

Expansion curve

Expansion curve sintered ARKAL 65 V

Thermal conductivity curve

Thermal conductivity curve sintered ARKAL 65 V

Electrical resistivity curve

Electrical resistivity curve sintered ARKAL 65 V

Storage

The sintered mullite 67% alumina, ARKAL 65 V solution must be stored in a dry environment protected from weather conditions.

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