Huachen Refractory

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Fused cast AZS block

The fused cast AZS block is an indispensable building material in modern glass furnaces. It possesses excellent properties, and its application has significantly increased the service lifetime of glass furnaces.

Other name: Fused cast zircon corundum brick

Model Number: HCR AZS 33#,HCR AZS 36#,HCR AZS 41#

Certification: ISO9001-14001

Minimum Order Quantity: 5 MT

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Fused Cast AZS Block

Description:

Fused cast AZS block is a refractory product made of industrial alumina powder and zircon sand as raw materials, with ZrO2 content of 33% to 45%. Fused cast AZS block also known as fused cast block, are mainly used in glass industry pool kilns. The English abbreviation is AZS, which is arranged in order of the content of the three chemical components Al2O3-ZrO2-SiO2. The Chinese national standard adopts this abbreviation, such as 33# fused cast AZS block, abbreviated as AZS-33#, 36# fused cast AZS block, abbreviated as AZS-36 #, 41# fused cast AZS block, abbreviated as AZS-41#.

Advantage:

Good chemical stability, dense structure, strong resistance to glass erosion, no coloring to glass melt

Application:

Glass melting furnace, steel rolling reheating furnace


Fused Cast AZS Block Physical And Chemical

Chemical Composition ( % )HCR AZS 33#HCR AZS 36#HCR AZS 41#
ZrO2≥ 32.5≥ 36≥ 40.5
SiO2≤ 15.5≤ 14.0≤ 12.5
Al2O3RemainsRemainsRemains
Na2O≤ 1.4≤ 1.6≤ 1.2
Fe2O3 + TiO2≤ 0.25≤ 0.25≤ 0.25
Physical  characters
Volume density (hardest part)≥ 3.80≥ 3.85≥ 4.05
Cold crushing strength (Mpa)≥ 300≥ 300≥ 300
Exudation Temp. of glass phase (℃)≥ 1400≥ 1410≥ 1420
Refractoriness under load (0.2MPa)170017001700
Corrosion Resistance to glass melt 1300℃ x10h (mm/24hr)1.41.31.2
Bulk density (g/cm3 )PT≥3.42≥3.5≥3.55
QX≥3.45--
ZWS≥3.65≥3.65≥3.85
WS≥3.7≥ 3.75≥3.95
Crystalline phase composition (%)
Baddeleyite monocrystal3235.540
Glass phase201917
Corundum4744

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