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Help CenterCustomizable Glass Furnace Kiln AZS Firebricks Fused Zirconia Corundum Refractory Bricks
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Introductions
Fused AZS Corundum Bricks also called fused zirconia corundum brick which contains Al2O3-ZrO2-SiO2 (AZS), which are white solid formed ones by pure alumina powder and zircon sand containing zirconia and silica in the electric melting furnace and then injected into the mold to be cooled.
AZS Corundum Bricks / Zirconia bricks have the advantage of mechanical strength, excellent stability to thermal shock, resistance to
corrosion, high refractoriness under load and inertness, high density, etc.
It is widely used in glass furnace, non-ferrous metal smelting furnace, and pure steel furnace. Please see listed applications on lower right of this page.
Xinhongji Refractory can produce serious fused casting 33#,36#,41# AZS bricks for glass furnace.
Common shape and irregular shape refractory brick can be produced both. The specific specifications can be customized per your requirements too.
Features
l Compact microstructure
l Good erosion resistibility to molten glass
l Good thermal shock resistibility, high compression resistance
l Barely rendering blister
l A variety of formats and shapes for furnace different working areas
Chemical & Physical Index:
Specifications |
XHJAZS-33A |
XHJAZS-33B |
XHJAZS-36A |
XHJAZS-36B |
XHJAZS-41A |
XHJAZS-41B |
|
Item |
Unit |
Y |
H |
Y |
H |
Y |
H |
Chemical Composition (%) |
Al2O3≥ |
50 |
48 |
49 |
48 |
45 |
44 |
ZrO2≥ |
32.0 |
32.0 |
35.0 |
35.0 |
40.0 |
40.0 |
|
SiO2≤ |
16 |
17 |
15 |
14 |
13 |
14 |
|
Bulk Density |
g/cm3≥ |
3.70 |
3.75 |
3.80 |
3.85 |
3.90 |
3.95 |
Cold Crushing strength |
Mpa |
300 |
310 |
320 |
330 |
340 |
350 |
Exudation Temperature of Glass Phase |
°C |
1400 |
1400 |
1400 |
1400 |
1410 |
1410 |
Bubble Separation Ratio |
(1300°C x10h) |
1.2 |
1.2 |
1.1 |
1.1 |
1.0 |
1.0 |
Anti-corrosion rate of Glass Liquid |
1500°Cx36h (mm/24h) % |
1.4 |
1.4 |
1.3 |
1.3 |
1.2 |
1.2 |
Apparent Density (g/cm3) |
PT (RN RC N) |
3.5 |
3.5 |
3.6 |
3.6 |
3.7 |
3.7 |
AWS (RR EVF EC ENC) |
3.65 |
3.70 |
3.75 |
3.80 |
3.85 |
3.90 |
|
WS (RT VF EPIC |
3.70 |
3.75 |
3.80 |
3.85 |
3.90 |
3.95 |
|
Glass phase |
21 |
20 |
19 |
18 |
17 |
16 |
|
Thermal expansion coefficient |
At 1000ºC |
0.8 |
|||||
HS Code No |
690220000 |
||||||
Note: AZS - Alumina-zirconia-silica (AZS); PT – ordinary pouring products; QX – inclined pouring products; MS – dense pouring products; Ws – keyless casting.
Application
Mainly used for channels, spouts and working ends of floating glass furnace.
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