ZPR

Range
Sintered
Subtitle

Sintered zircon with 66% zirconia

Description

Zirconium silicate. Very high resistance to vapours corrosion. Available in standard brick format.

Chemical and physical properties

Microstructure

Image
ZPR microstructure

Typical chemical composition

 
 

Typical crystallographic analysis

Main phase: zircon

Physical characteristics

Description International standards British standards
Refractoriness under load 2 105Pa, 0.5% 1,610°C 2,930°F
Cold crushing strength 70Mpa 10,153psi
Linear thermal expansion 4.8 10-6K-1 2.7 10-6°F-1
Thermal conductivity at 1,000°C 2.3 W.m-1.K-1

15.9 BTU
in hr-1ft-2°F-1

Thermal shock resistance medium medium
Open porosity 18% 18%
Typical bulk density 3.75g/cm3 234pcf

Expansion curve

Expansion curve sintered ZPR

Thermal conductivity curve

Thermal conductivity curve sintered ZPR

Typical application

ZPR is used a large range of application:

  • bottom sub-paving,
  • superstructure as buffer course between silica and fused cast materials,
  • reinforcement and textile fiber glass furnaces superstructure.

If mortar is required, use ERZIR MORTAR.

For more complex and larger shapes refer to CZCT.

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