ZIRAL GC

Range
Expendables
Subtitle

Bonded AZS with 20% zirconia

Description

ZIRAL GC is recommended for glass contact application in feeder expendables where high corrosion resistance is required.

Chemical and physical properties

Typical chemical composition

 
 

Typical crystallographic analysis

Main phase:

  • corundum
  • monoclinic zircon

Secondary phase:

  • mullite
  • silicate

Physical characteristics

Description International standards British standards
Cold crushing strength 50MPa 7,252psi
Refractoriness under load 2 105Pa,
0.5% at
1,650°C 3,002°F
Coefficient of thermal expansion 5 10-6K-1 2.8 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
Thermal shock resistance medium medium
Porosity 17% 17%
Typical bulk density 3.15g/cm3 197pcf

Typical application

  • spouts

ZIRAL GC is recommended for sodalime glassware, cosmetic glass and high-temperature glass.

Related products

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ZIRAL 61

Bonded AZS with 20% zirconia

ZIRAL 61 is recommended for all applications in feeder expendables, and for superstructures where high corrosion resistance is required.

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ZA33

Bonded AZS with 10% zirconia

ZA33 is adapted for most of the standard feeder expendable applications.

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ZA33 LB

Bonded AZS with 10% zirconia

ZA33 LB is a unique low-blistering material suitable for applications where seeding after starting up is a concern.

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ZA33 HR

Bonded AZS with 10% zirconia

ZA33 HR is dedicated to all applications where longer life and better thermal shock resistance is needed versus the standard 333 solution.

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HR30

Bonded AZS material with 30% zirconia

HR30 has been developed for high pull rate, high temperature color lines in tableware and cosmetic markets.

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MICROTHERM

Feeder spout bowl insulation kit

The great efficiency of microporous insulation ensures optimized thermal performance during discharge from the spout.

Expendables

POWDER NO. 11

Mullite-based granular insulation powder

Fast preparation and easy removal. No shell life limitation versus castable materials. Reduced risk of spout cracking versus castable insulation material.