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Azs Brick, Fused Cast Refractory, Fused Cast Brick manufacturer / supplier in China, offering Fused Cast Alpha-Beta Al2O3 Refractory Brick, Chloride Free MGO Board, Tunnel Calcium Silicate Board, Passive Fireproofing Calcium Silicate H Sheet and so on.

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Supplier Homepage Products Refractory Bricks Fused Cast Alpha-Beta Al2O3 Refractory Brick

Fused Cast Alpha-Beta Al2O3 Refractory Brick

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Min. Order / Reference FOB Price
100 Pieces US $10/ Piece
Port: Qingdao, China
Production Capacity: 20000 Ton/Year
Payment Terms: L/C, T/T
Refractoriness (℃): 1770< Refractoriness< 2000
Feature: Long Time Materials
Type: Refractory Material
Shape: Brick
Material: Azs
Grade: Azs 33, Azs 36, Azs41

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Basic Info

Model NO.
AZS-33
Density
3.4- 3.95 g/cm3
Color
Pure White
Trademark
NR
Transport Package
Wood Cartons and Pallet
Specification
GB
Origin
China
HS Code
69022000

Alpha-Beta Al2O3 Refractory Blocks and Bricks

Fused Cast AZS BRICKS 
are the most widely used materials both in glass contact and superstructure of glass melting furnaces. They can be classified by their zirconia content, which basically defines their corrosion resistance.

Fused Cast Alpha-Beta Al2O3 Refractory Brick
 

  • NR-33       32% - 34% ZrO2: The reference category of fused-cast industry. Main applications include glass contact (paving tiles, working-end walls) and superstructures.
 
  • NR36        36% ZrO2: With its improved corrosion resistance and combined with the "reinforced filling" process, the optimum choice for melter sidewalls application.
     
  • NR41       41% ZrO2: with the highest corrosion resistance within the AZS family, this type of material is used for all demanding glass contact applications in the void free configuration : electrode blocks, submerged walls, throats, and in some cases melter sidewalls. Available as well, for sidewall application, in the specific "reinforced filling" version.
Fused Cast Alpha-Beta Al2O3 Refractory Brick

Besides, the fused cast AZS bricks can be devied into different types according its casting techniques,  PT [normal casting], QX [tilt casting ] , ZWS [reinforced casting ]  and WS [void-free casting]. 

 
WS while casting, the casting size is bigger than that is required. Most of the voids concentrate in the header which is subsequently cut off with a diamond saw, and then the block in required size is left, most used in side wall and flow.
 
PT The brick made by normal casting has normal shrinkage void; it is often used in the upper structure of furnace and the interface parts which touch molten glass.
 
ZWS while casting, the casting size is bigger than it is required. Most of the voids concentrate in the header which is subsequently cut off with a diamond saw, and then the block in required size is left, most used in side wall.
 
QX by tilt casting, shrinkage voids focus on one side, while the other side is dense. This kind of bricks are usual sabity is located towards the bottom, and of the block that used for sidewalls.

Please contact us for more details.

 
 
 ITEMSNR-AZS-41NR-AZS-36NR-AZS-33
ZrO(%) ≥40.0-42.036.0-37.032.0-34
SiO2 (%) ≤131415.5
Al2O3-------------
Na2O≤1.31.41.5
Fe2O30.10.10.1
TiO20.050.050.05
B.D. (g/cm 3 ) ≥4.123.893.8
C.C.S (Mpa) ≥350350350
Bulk density(g/cm 3 )PT/QX3.553.453.4
ZWS3.93.653.6
WS3.923.783.7
Apparent Porosity (%)1.31.52
Refractoriness ( C)173017101710
0.2Mpa Softening temp. under load( C)>1700>1700>1700
Exudation temp. of Glass Phase( C)>1430>1420>1400
Corrosion Resistance of Glass Melt(mm/24h)1.11.21.3
Thermal Expansion(%), 100C0.80.80.8
Glass Phase (%)181920

Saint-Gobain Fused Cast Equivalent Products Comparasion : 

Fused Cast Alpha-Beta Al2O3 Refractory Brick

 

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