ER 1685 RT

Fused cast

Void-free electrofused alumina-zirconia-silica (AZS) with 36% zirconia

High corrosion resistance alumina-zirconia-silica (AZS) for simple rectangular shapes. Essentially free of casting cavity which allows a very homogeneous internal structure and corrosion resistance.

Typical application Chemical and physical properties Storage
Fused cast

Typical application

The void-free electrofused alumina-zirconia-silica (AZS) with 36% zirconia, ER 1685 RT solution is mainly used as melting sidewall applications for flame furnaces.

ER 1685 RT provides superior and homogeneous resistance to corrosion from top to bottom.

Chemical and physical properties

Microstructure

Microstructure of ER 1685 RR and ER 1685 RT

Typical chemical composition

 

Typical crystallographic analysis

 

Physical characteristics

Description International standards British standards
Refractoriness under load of 2.105 Pa 1,700°C 3,092°F
Cold crushing strength ≥350Mpa ≥50,763psi
Typical bulk density 3.82g/cm3 238pcf

Expansion curve

Expansion curve fused cast ER 1685 RT

Thermal conductivity curve

Thermal conductivity curve fused cast ER 1685 RT

Electrical resistivity curve

Electrical resistivity curve fused cast ER 1685 RT

Storage

The void-free electrofused alumina-zirconia-silica (AZS) with 36% zirconia, ER 1685 RT solution must be stored in a dry environment protected from weather conditions.

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