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Ceramic Fiber, Refractory Ceramic Fiber, Ceramic Fiber Board manufacturer / supplier in China, offering Ceramic Fiber Blanket (1260STD-1260HP-1430Hz-1600UH), Dark Grey Color High Density Fiber Cement Board 6mm, 8mm, 12mm, 14mm, Light Grey Color High Density Fiber Cement Board 6mm, 8mm, 12mm, 14mm and so on.

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Supplier Homepage Metallurgy, Mineral & Energy Refractory China Fused Cast Azs 33 36 41 Bricks for Glass Tanks

China Fused Cast Azs 33 36 41 Bricks for Glass Tanks

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Min. Order / Reference FOB Price
100 Piece US $10.00/ Piece
Local Area: Chaoyang, Liaoning, China
R&D Capacity: OEM, ODM, Other
Payment Terms: LC, T/T, PayPal
Refractoriness (℃): 1770< Refractoriness< 2000
Feature: Long Time Materials
Type: Refractory Material

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.

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.


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.
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ITEMSNR-AZS-41NR-AZS-36NR-AZS-33ZrO2 (%) ≥40.0-42.036.0-37.032.0-34SiO2 (%) ≤131415.5Al2O3-------------Na2O≤1.31.41.5Fe2O3≤0.10.10.1TiO2≤0.050.050.05B.D. (g/cm 3 ) ≥4.123.893.8C.C.S (Mpa) ≥350350350Bulk density(g/cm 3 )PT/QX3.553.453.4ZWS3.93.653.6WS3.923.783.7Apparent Porosity (%)1.31.52Refractoriness ( C)1730171017100.2Mpa Softening temp. under load( C)>1700>1700>1700Exudation temp. of Glass Phase( C)>1430>1420>1400Corrosion Resistance of Glass Melt(mm/24h)1.11.21.3Thermal Expansion(%), 100C0.80.80.8Glass Phase (%)181920