ARKAL 65 S

Range
Sintered
Subtitle

Sintered sillimanite 65% alumina

Description

Good thermal shock resistance. Available in standard brick format.

Typical application

ARKAL 65 S is used in:

  • mid and lower sections of regenerator chamber walls: partition wall and sidewalls. 
  • rider arches.

For a upper section of regenerator, refer to ARKAL 71 M, MS 75.

If mortar is required, use MULLITE MORTAR or ARKAL MORTAR.

Chemical and physical properties

Microstructure

Image
Arkal 65S Microstructure

 

Typical chemical composition

 

Typical crystallographic analysis

Main phase:

  • Mullite
  • Corundum

Physical characteristics

DescriptionInternational standardsBritish Standards
Refractoriness under load of 2 105 Pa at 0,5%> 1,650°C>3,000°F
Cold crushing strength75Mpa10878Psi
Apparent porosity14%14%
Typical bulk density2.55g/cm3159lb/ft3

Expansion curve

ARKAL65S_Expansion_Curve
ARKAL65S_Expansion_Curve

Thermal conductivity curve

ARKAL65S_Themal_Conductivity
ARKAL65S_Themal_Conductivity

Storage

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

Related products

Sintered

Sintered mullite-sillimanite 71% alumina

Good corrosion resistance to alkali vapours. Available in standard brick format.

Sintered

Sintered mullite 75% alumina

Good corrosion resistance to alkali vapours. Available in standard brick format.

Sintered

Sintered sillimanite 62% alumina

Excellent thermal shock resistance. Available in standard brick format.