Xintai Refractory supplies high-quality AZS bricks (Alumina-Zirconia-Silica) for demanding high-temperature applications, especially in the glass industry. These fused cast refractory bricks provide excellent corrosion resistance, low porosity, and superior thermal stability.
We offer AZS33, AZS36, and AZS41 grades, with zirconia content ranging from 33.5% to 41%, to meet diverse operational requirements.

Technical Specifications

Item	AZS41	AZS36	AZS33
SiO₂, %	12	13	15
Al₂O₃, %	Remainder	Remainder	Remainder
ZrO₂, %	41	36.5	33.5
Fe₂O₃ + TiO₂ + CaO + MgO + Na₂O + K₂O, %	≤2.0	≤2.0	≤2.0
Bulk Density, g/cm³	4.05	3.9	3.8
Apparent Porosity, %	0.6	0.8	0.7
Initial Precipitation Temperature of Vitreous Phase, ℃	1400	1400	1400
Vitreous Phase Exudation, % (1500℃ × 4h)	1.5	2.3	2.0
Anti-molten Glass Erosion Speed under Static Condition, mm/24h (1500℃ × 36h, ordinary soda-lime glass)	1.2	1.3	1.4
Bubble Release Rate, % (1300℃ × 10h, ordinary soda-lime glass)	0.6	1.0	1.2

Key Features

Excellent Corrosion Resistance – Withstands molten glass erosion and chemical attack.
Low Porosity & High Density – Reduces infiltration of gases and liquids.
Superior Thermal Shock Stability – Maintains structural integrity under rapid temperature changes.
High Compressive Strength – Performs reliably under mechanical stress at elevated temperatures.
Custom Sizes & Pre-Assembly – Tailored to your furnace design and operational needs.

Typical Applications

Glass melting furnaces (tank, throat, channel, and feeder parts)
Regenerators and superstructures in glass kilns
Electro-fused furnaces for specialty glass production
High-temperature zones requiring exceptional corrosion resistance

Production Details

Manufactured using advanced fused cast technology for uniform crystal structure.
Strict quality control, including dimensional checks, density testing, and corrosion resistance evaluation.
Pre-assembly service available to ensure perfect installation and minimal downtime.

Packing and Shipping Details

Bricks are packed in strong wooden cases with inner wrapping for moisture protection.
Each batch undergoes inspection before shipment to ensure compliance with technical standards.
Global shipping to over 50 countries with secure and timely delivery.