ER 1682 RX
Electrofused alumina-zirconia-silica (AZS) with 30% zirconia
Checker packing material for high efficiency regenerator.
Typically used in the middle and bottom part of the checker packing where sodium sulphate condensation takes place.
Dedicated to regenerator packing of furnaces producing sodalime glass under non-reduced conditions.
CRUCIFORM® types

Type 2
Typical application
CRUCIFORM® Type 2 is 40mm thick to reinforce resistance to corrosion.
ER 1682 RX Type 2 is used in the middle and bottom part of the checker packing with high corrosion level in the condensation area.
Flue size: 130x130mm up to 170x170mm
Shape | Weight |
---|---|
X shape: ER 1682 X2 | 22kg |
T shape: ER 1682 T2 | 17kg |
L shape: ER 1682 L2 | 12kg |
Type 3
Typical application
CRUCIFORM® Type 3 is 30mm thick with a high heat exchange surface.
ER 1682 RX Type 3 provide its best thermal performance when installed in the bottom part of the checker packing.
Flue size: 140x140mm up to 180x180mm
Shape | Weight |
---|---|
X shape: ER 1682 X3 | 22.5kg |
T shape: ER 1682 T3 | 17.5kg |
L shape: ER 1682 L3 | 12kg |
Type 4
Typical application
The unique corrugated shape of CRUCIFORM® Type 4 optimize the convection heat exchange for higher efficiency.
ER 1682 RX Type 4 is typically used in the middle part of the regenerator packings.
Flue size: 140x140mm up to 180x180mm
Shape | Weight |
---|---|
X shape: ER 1682 X4 | 23kg |
T shape: ER 1682 T3 | 17.5kg |
L shape: ER 1682 L3 | 12kg |
Type 6
Typical application
Type 6 CRUCIFORM® very large channel sizes drastically reduce the clogging risk in the condensation zone.
ER 1682 RX Type 6 is used in the bottom part of the checker packing. It is compatible with the use of others CRUCIFORM® types in the remaining packing area.
Flue size: from 320x320mm up to 350x350mm
Shape | Weight |
---|---|
X shape: ER 1682 X6 | 22kg |
T shape: ER 1682 T6 | 17kg |
L shape: ER 1682 L6 | 12kg |
Chemical and physical properties
Microstructure

Typical chemical composition
Typical crystallographic analysis
Physical characteristics
Description | International standards | British standards |
---|---|---|
Typical bulk density | 3.3g/cm3 | 206pcf |
Cold crushing strength | 210Mpa | 30,458psi |
Refractoriness under load of 2.105 Pa | 1,750°C | 3,182°F |
Instructions of use
Installation instructions
CRUCIFORM® Tutorial: How to install cruciform checkerpack

Storage
The electrofused alumina-zirconia-silica (AZS) with 30% zirconia, ER 1682 RX solution must be stored in a dry environment protected from weather conditions.
Related products
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Electrofused ß"' alumina is extremely resistant to alkali vapor environments. Dedicated to upper part of the checker packing for high efficiency regenerator.
ER 55XX RX
Electrofused spinel (MgAl2O4)
Checker packing material for high efficiency regenerator.
Typically used in the middle and bottom part of the checker packing where condensation takes place.
Dedicated to regenerator packing of furnaces operating under reduced conditions.