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Fused Cast AZS 41 Brick

AZS bricks for glass furnace is a white solid formed by pure alumina powder and zircon sand containing zirconia 65% and about 34% silica in the electric furnace and then injected into the mold to be cooled. The structure azs bricks consists of an eutectoid and a glass phase of corundum and zirconium,AZS blocks are phased as eutectoids of the corundum phase and the zircon oblique phase, and the glass phase is filled between their crystals.

Other name: ER 1711/ZB 1711/CS-5/UNICOR 1/REFEL 1240

Model Number: HCR-AZS 41

Certification: ISO190001

Minimum Order Quantity: 6/negotiable

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Fused Cast AZS Brick Introduction

AZS bricks for glass furnace is a white solid formed by pure alumina powder and zircon sand containing zirconia 65% and about 34% silica in the electric furnace and then injected into the mold to be cooled. The structure azs bricks consists of an eutectoid and a glass phase of corundum and zirconium,AZS blocks are phased as eutectoids of the corundum phase and the zircon oblique phase, and the glass phase is filled between their crystals.

Fused Cast AZS Brick Casting Method

PT: normal casting, cavity is located under the casting scar. we also call PT as RN/RC
QX: oriented casting, cavity is located at the rear bottom side. we also call QX as RO/LC/TC
ZWS: reinforced casting, reduced cavity and cavity located at the bottom of the block, we also call ZWS as RR/ EVF/EC
WS: total filing, the cavity zone is sawed off, so brick with this casting method has no cavity, we also call it RT/VF/EPIC
Of cause there still has other casting method like RA, RL, RX etc. Each casting method has its own features and Huachen Refractory will choose the best casting way based customers' project.
AZS 41# using casting mehtod WS
Recommended for use throught the side wall whenever high special pulls and heavy production runs are planned. It is also used for electric  furance. Designed for using i nordinary flam furnaces like sidewall of the most temperature doghouse, corner, dam block, bottom bubbling and throat.

Features of Fused Cast AZS Brick

1. High refractioness under load
2. Good mechanical strength
3. Low apprant porosity
4. Longer service life than others
5. Strong corrosion resistance
6. HIgh thermal shock resistance
7. No pollution on glass liquid
8. High quality

Physical and Chemical Index of Fused Cast AZS Brick

Chemical Composition ( % ) 

AZS 41 

ZrO2 

40.5 

SiO2 

 12.5 

Al2O3 

Remains 

Na2O 

≤ 1.2 

Fe2O3 + TiO2 

 0.25 

Physical  characters 


Volume density  (hardest part) 

4.05 

Cold crushing strength (Mpa) 

300 

Exudation Temp. of glass phase (℃) 

1420 

Refractorinessunder load of beginning  (0.2MPa) 

1700 

Corrosion Resistance to glass melt  1300℃ x 10h ( mm/24hr ) 

0.7 

Bulk density (g/cm3 ) 

PT 

3.55 

QX 

3.55 

ZWS 

3.85 

WS 

3.95 

Crystalline phase composition ( % ) 


Baddeleyite monocrystal 

40 


Standard Size of Fused Cast AZS Brick

Thickness

Width

Length

 

Cast method

Standard

Recomm-ended

Standard

Recomm-ended

Recomm-ended

250

200-400

400

200-450

600-1500

WS

300

350

Customized shapes of bricks can be provided according to the drawings.


Fused Cast AZS Packing Detail

1. 15-21 crates/ pallets can be loaded in one 20’ container
2. Crate or pallet size: length≤1.3m, width: 0.6-1.1m
3. Gross weight of each crate or pallet shall be around 1 metric ton and shall not exceed 1.8 metric ton
4. Special requirement of packing details are acceptable
5. A packing list will be issued for approval after designing.
Good packing materials
1. Packing materials: fumigation wooden pallet or wooden case
2. Woven or paper sheet, angle paper, paper corner
Woven or paper sheet: 0.5 mm thickness, laid on the top of pallet to separate bricks from the pallet
Angle paper: 0.5mm thickness, used between all layers of bricks and between bricks and paper corners to protect the bricks from damage.
Paper corner: 50*50*5mm, used to protect the edges and corners of brick stack and fasten the stack.

Fused Cast AZS Block Application

Fused cast azs-series refractory bricks for the glass kiln has excellent corrosion resistance to molten glass. AZS bricks used in glass contact (side walls ,paving tiles,etc) and superstructures (breast walls ,ports ,tuck-stones,etc), it also can be used in other industry kilns.

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