Name: Glass Melting Furnace Refractory Materials Fused Azs Block Zirconia Corundum Brick Azs33 Azs36 Azs41 Fusion Cast Brick
Brand: RONGSHENG
Price: 1 USD

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Brand Name :RONGSHENG

Certification :ISO9001

Place of Origin :Henan, China

Melting Point :High

Keyword :refractories materials

Thickness :2cm

Performance :Good thermal shock stability

Customized :yes

Package :Wooden package

Items :acid-proof brick

Cold Crushing Mpa :350

Hardness :High hardness

Method :Sintered

Refractoriness Under Load :≥1500℃

Thermalshockresistance :Good

Density :3.5 g/cm3

Softening Temperature :1400℃

Bulk Density :2.8g/cm3

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Product descriptions from the supplier

Product Description

Zirconia Corundum Bricks Introduction AZS bricks, also known as fused zirconia corundum bricks, are made by carefully selected zircon sand and industrial aluminum oxide powder in a 1:1 ratio, with a small amount of flux added, mixed evenly, melted at 1800~1900 ℃, and then cast into shape. Generally, zirconium corundum bricks can be divided into several grades according to the content of ZrO2, such as three grades of 33%, 36% and 41%. They have high melting point, good chemical stability, and strong corrosion resistance to acid and alkaline media, especially molten glass.

Product Features

Azs Refractory Brick Features 1. High refractoriness and high refractoriness under load. 2. Good wear-resistance,slag-resistance and alkali corrosion resistance. 3. Good thermal stability. 4. High compression strength. 5. Long service life.

Product Application

AZS Brick Application AZS bricks are used in industrial furnaces, such as glass furnaces, Sodium silicate furnace, ceramic frit furnace,chemical industrial, metallurgical furnaces,etc.

Specification

Chemical composition	AZS-33	AZS-36	AZS-41
ZrO2 (%)	≥33	≥35	≥40
SiO2 (%)	≤16.0	≤14	≤13.0
Al2O3 (%)	a little	a little	a little
Na2O (%)	≤1.5	≤1.6	≤1.3
Fe2O3+TiO2 (%)	≤0.3	≤0.3	≤0.3
Physical Properties
Bulk density(g/cm3)	3.5-3.6	3.75	3.9
Cold crushing (Mpa)	350	350	350
Thermal expansion coefficient (1000°C)	0.8	0.8	0.8
Exudation temp. of glass phase	1400	1400	1400
Corrocion resistance of glass melt(mm/24h)	1.6	1.5	1.3
Density PT QX	3.4	3.45	3.55

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