ER 1685 RR

Range
Fused cast
Subtitle

End-cast electrofused Alumina-Zirconia-Silica (AZS) with 36% zirconia

Description

High corrosion resistance Alumina-Zirconia-Silica (AZS) for simple rectangular shapes. Controlled casting cavity located at the bottom part of the block.

Typical application

The end-cast electrofused Alumina-Zirconia-Silica (AZS) with 36% zirconia, ER 1685 RR solution is specifically designed for melting sidewall applications in flame furnaces.

Chemical and physical properties

Microstructure

Image
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 3.75g/cm3 234pcf

Expansion curve

0.00.20.40.60.81.01.21.402004006008001,0001,2001,400Linear expansion (%)Temperature (°C)
EXPANSION CURVE FUSED CAST ER 1685

Thermal conductivity curve

°CW/m/K207.19410072205.501167615204.027976788203.5912541111204.165560413204.7780037915205.601234567802004006008001,0001,2001,4001,600Thermal conductivity (W/(mK)Temperature (°C)
CONDUCTIVITY CURVE FUSED CAST ER 1685

Electrical resistivity curve

101001,00010,0006008001,0001,2001,4001,6001,800Electrical resistivity (ohm-cm)Temperature (°C)
RESISTIVITY CURVE FUSED CAST ER 1685

Storage

The end-cast electrofused Alumina-Zirconia-Silica (AZS) with 36% zirconia, ER 1685 RR solution must be stored in a dry environment protected from weather conditions.

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