ER 1681® RT

Range
Fused cast
Expendables
Subtitle

Void-free electrofused alumina-zirconia-silica (AZS) with 32% zirconia

Description

Alumina-zirconia-silica (AZS) with good castability enabling complex and varied shapes and sizes. Void-free structure enabling longer lifetime.

Typical application

The void-free electrofused alumina-zirconia-silica (AZS) with 32% zirconia, ER 1681® RT solution provides a high corrosion resistance for a very large range of applications:

  • superstructures, including crowns
  • glass-contact working end and feeders for sodalime and insulation glass fiber
  • available with TuckPro solution

Discover TuckPro solution

Chemical and physical properties

Microstructure

Image
Microstructure of ER 1681

Typical chemical composition

 

Typical crystallographic analysis

 

Physical characteristics

Description International standards British standards
Refractoriness under load of 2.105 Pa (2kg/cm²) 1,700°C 3,092°F
Cold crushing strength ≥350Mpa ≥50,763psi
Typical bulk density 3.72g/cm3 232pcf

Storage

The void-free electrofused alumina-zirconia-silica (AZS) with 32% zirconia, ER 1681® RT solution must be stored in a dry environment protected from weather conditions.

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Void-free structure enabling longer lifetime.

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Excellent glass contact properties with extremely low defect potential.
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