Zircon sealing patch


Zircon mix to seal joints of mixed material including silica.

Typical application

ERPLAST® Z PATCH is an excellent chemical barrier. Dedicated to superstructure joint sealing between different material like AZS & Silica, Alumina & Silica or AZS & Alumina.

Also used for silica superstructures, cold and hot repairs.

Chemical and physical properties

Typical chemical composition


Typical crystallographic analysis

  • zircon

Physical characteristics

Description International standards British standards
Maximum diameter 2mm 10Mesh
Typical bulk density 3.6g/cm3 225pcf

Instructions of use

Ready-to-use. Chemical setting.

2 to 5% in weight of drinkable water can be added to obtain the desired plasticity or when using for hot repairs.

Packaging and storage

  • 50kg drum
  • Must be properly stored up to expiry date in undamaged original sealed packaging, in dry conditions at temperatures between +5°C and +40°C

Related products


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Fused cast

Regular cast electrofused Alumina-Zirconia-Silica (AZS) with 36% zirconia and a low silicate phase (14%)

Low exudation and high creep resistance.
Good resistance to alkali vapour and carry over.

Fused cast

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High creep-resistance material unaffected by alkali vapor environments.
Void-free structure enabling longer lifetime.

Fused cast

Regular cast, electrofused 95% alumina (alpha-beta alumina)

Excellent glass contact properties with extremely low defect potential.
High resistant to alkali vapor and creep for superstructure application.