Description of AZS Bricks

AZS Brick is a kind of fused cast zirconia-corundum refractory brick which is short writing of abbreviation that AZS from “A” of Al2O3, “Z” of ZrO2 and “S” of SiO2. Such as No. 33 fused cast zirconia-corundum refractory brick adopts the “AZS-33#” as its abbreviation, No. 36 fused cast zirconia-corundum refractory brick adopts the “AZS-36#” as its abbreviation and No. 41 fused cast zirconia-corundum refractory brick adopts the “AZS-41#” as its abbreviation.

Zirconium Corundum bricks fused by oxidation method have good corrosion resistance to glass liquid and low stone rate 、bubble and glass phase exudation rate ,do not pollute the glass liquid. It is mainly used in the contact parts of the glass kiln and the glass liquid, and the parts with high corrosion resistance requirements, which are selected according to the use parts.

Parameter of AZS Bricks

Item Index
AZS33# AZS36# AZS41#
Al2O3  % Balance
ZrO2  % 32 34 40
SiO2  % 16 14 12.5
Fe2O3+TiO2+CaO+MgO+K2O+Na2O % ≤2.5 ≤2.5 ≤2.0
Bulk Density (Dense part)  g/cm3 3.7 3.75 4.0
 Apparent Porosity  % 2.0 1.5 1.3
Glass Phase Initial Precipitation Temperature ℃ 1400 1400 1400
Glass Phase Exudation  %  1500℃×4h 2.0 3.0 3.0
Static Resistance To Liquid Glass Erosion Depth mm/24h

Ordinary Soda Lime Glass 1500℃×36h

1.6 1.5 1.3
Bubble Precipitation Rate  %

Ordinary Soda Lime Glass 1300℃×36h

2.0 1.5 1.0
 Specific Gravity g/cm3 PT/QX 3.5 3.5 3.6
ZWS 3.6 3.6 3.8
WS 3.65 3.7 3.9


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1.Abundant Experience. Rongsheng Group have over 20 years experience in the refractory industry and we have a deep understanding of the materials and applications we work with. We can provide expert advice and guidance to help customers find the best solutions for their needs.

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