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$High Temperature Electrocast Refractory Bricks for Glass Furnaces$

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High Temperature Electrocast Refractory Bricks for Glass Furnaces

$1900.00 ~ $3000.00 / ton

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Basic Info

Model No.
Brand Name
Place Of Origin	Shandong, China
shape	Brick
Material	Al2O3/SiO2/ZrO2
SiO2 Content (%)	12.5%-15%
Al2O3 Content (%)	45%-50%
Refractoriness (Degree)	1770°< Refractoriness< 2000°
Model Number	AZS-33/AZS-36/AZS-41
Brand Name	Robert
Processing Service	Bending
Color	White
HS Code	69029000
Casting Method	PT/QX/WS/ZWS
Application	Glass Furnace
Bulk density	3.6-4g/cm3
Cold crushing strength	≥200MPa
Anti-corrosion Rate of Glass Liquid	≤1.2-1.4%
Exudation Temperature of Glass Phase	≥1400
ZrO2	32.5%-40.5%
Na2O+K2O	1.30%-1.35%

Product description

Product Description

AZS block is also called fused zirconia corundum brick which contains Al2O3-ZrO2-SiO2. The fused cast AZS block is made of pure alumina powder and zircon sand (consisting of 65% zirconia and 34% SiO2). After the alumina powder and zircon sand are melted in
an electric furnace, they are cast into various molds and cooled down to become white solids.

Features:

1. High refractoriness
2. Good thermal shock resistance
3. Good creep-resisting property
4. Good chemical stability
5. Good high temperature strength and volume stability
6. High erosion resistance

Details Images

Standard Bricks

Checker Bricks

Shaped Bricks

Casting Method

Model	AZS-33
Casting Method	Description	Density	Application
Ordinary Casting (PT)	It is a common casting method, and the shrinkage cavity of the product is located at the lower part of the casting port	≥3.40	Small stove top; melting pool; feed port feeder; non-glass contact area
Tilt Casting(QX)	The inclined casting method is adopted, and the shrinkage cavity of the product is biased at the lower end, which is mainly used as pool wall brick.	≥3.40	Melting pool wall
No Shrinkage Cavity Casting(WS)	Shrinkage-free product with the shrinkage cavity portion removed from the cast brick	≥3.70	Side wall, kiln ridge, pavement, special-shaped brick
Quasi Shrinkage Free Casting(ZWS)	Similar to non-shrinkage casting, the shrinkage cavity of the cast brick is basically removed.	≥3.60	Melting pool wall

Model	AZS-36
Casting Method	Description	Density	Application
Ordinary Casting (PT)	It is a common casting method, and the shrinkage cavity of the product is located at the lower part of the casting port	≥3.50	Small stove top; melting pool; feed port feeder; non-glass contact area
Tilt Casting(QX)	The inclined casting method is adopted, and the shrinkage cavity of the product is biased at the lower end, which is mainly used as pool wall brick.	≥3.50	Melting pool wall
No Shrinkage Cavity Casting(WS)	The shrinkage cavity part of the cast brick is completely removed.	≥3.80	Melting pool wall, bottom plate, special-shaped brick
Quasi Shrinkage Free Casting(ZWS)	Similar to non-shrinkage casting, the shrinkage cavity of the cast brick is basically removed.	≥3.70	Melting pool wall

Model	AZS-41
Casting Method	Description	Density	Application
No Shrinkage Cavity Casting (WS)	Similar to quasi-shrinkless, the shrinkage cavity of the cast brick is completely removed.	≥3.90	Melting pool wall; liquid flow hole; corner of feeding port; bubbling brick; kiln chopping; electrode hole brick; special-shaped brick
Quasi Shrinkage Free Casting(ZWS)	Basically cut off the shrinkage cavity of the cast brick	≥3.85	Melting pool wall

Product Index

Item			AZS33	AZS36	AZS41
Chemical Composition(%)	Al2O3	≥50.00	≥49.00	≥45.00
		ZrO2	≥32.50	≥35.50	≥40.50
		SiO2	≤15.00	≤13.50	≤12.50
		Na2O+K2O	≤1.30	≤1.35	≤1.30
Bulk Density (g/cm3)			≥3.75	≥3.85	≥4
Apparent Porosity (%)			≤1.2	≤1.0	≤1.2
Cold Crushing Strength (Mpa)			≥200	≥200	≥200
Bubble Separation Ratio (1300oC*10h)			≤1.2	≤1.0	≤1.0
Exudation Temperature of Glass Phase			≥1400	≥1400	≥1410
Anti-corrosion Rate of Glass Liquid 1500oC*36h (mm/24h) %			≤1.4	≤1.3	≤1.2
Apparent Density (g/cm3)	PT (RN RC N)	≥3.55	≥3.55	≥3.70
		ZWS (RR EVF EC ENC)	≥3.65	≥3.75	≥3.85
		WS ( RT VF EPIC FVP DCL)	≥3.75	≥3.80	≥3.95
		QX (RO)	≥3.65	≥3.75	≥3.90

Applications

Model	ZrO2	Application
AZS-33	33%	The dense microstructure of AZS33 makes the bricks have good resistance to glass liquid erosion, and it is not easy to produce stones or other defects in the glass kiln. It is a widely used product in glass melting furnaces, and is mainly suitable for the upper structure of the melting pool, the pool wall brick and paving brick of the working pool, and the forehearth, etc.
AZS-36	36%	In addition to having the same eutectic as AZS33, AZS36 bricks have more chain-like zirconia crystals and lower glass phase content, so the corrosion resistance of AZS36 bricks is further enhanced, so it is suitable for glass liquids with faster flow rates or higher temperature areas.
AZS-41	41%	In addition to eutectics of silica and alumina, it also contains more uniformly distributed zirconia crystals. In the zirconium corundum brick system, it has good corrosion resistance. Therefore, key parts of the glass furnace are selected to balance the life of these parts with other parts.

Float Glass

Daily Use Glass

Medicinal Glass

Food Grade Glass

Package&Warehouse

Company Profile

Shandong Robert New Material Co., Ltd. is located in Zibo City, Shandong Province, China, which is a refractory material production base. We are a modern enterprise that integrates the research and development, production, sales, kiln design and construction, technology, and export refractory materials. We have complete equipment, advanced technology, strong technical strength, excellent product quality, and good reputation. Our factory covers over 200 acres and an annual output of shaped refractory materials is approximately 30000 tons and unshaped refractory materials is 12000 tons.

Our main products of refractory materials include: alkaline refractory materials; aluminum silicon refractory materials; unshaped refractory materials; insulation thermal refractory materials; special refractory materials; functional refractory materials for continuous casting systems.

Robert`s products are widely used in high-temperature kilns such as non-ferrous metals, steel, building materials and construction, chemical, electric power, waste incineration, and hazardous waste treatment. They are also used in steel and iron systems such as ladles, EAF, blast furnaces, converters, coke ovens, hot blast furnaces; non-ferrous metallurgical kilns such as reverberators, reduction furnaces, blast furnaces, and rotary kilns; building materials industrial kilns such as glass kilns, cement kilns, and ceramic kilns; other kilns such as boilers, waste incinerators, roasting furnace, which have achieved good
results in using. Our products are exported to Southeast Asia, Central Asia, Middle East, Africa, Europe, Americas and other countries, and has established a good cooperation foundation with multiple well-known steel enterprises. All employees of Robert sincerely look forward to working with you for a win-win situation.

Q1: Are you a manufacturer or a trader?

A1: We are a real manufacturer, our factory is specialized in producing refractory materials for more than 30 years. We promise to provide the best price, the best pre-sale and after-sale service.

Q2: How do you control your quality?

A2: For each production process, RBT has a complete QC system for chemical composition and physical properties. And we will test the goods, and the quality certificate will be shipped with the goods. If you have special requirements, we will try our best to accommodate them.

Q3: What is your delivery time?

A3: Depending on the quantity, our delivery time is different. But we promise to ship as soon as possible with guaranteed quality.

Q4: Do you provide free samples?
A4: Of course, we provide free samples.

Q5: Can we visit your company?

A5: Yes, of course, you are welcome to visit RBT company and our products.

Q6: What is the MOQ for trial order?

A6: There is no limit, we can provide the best suggestion and solution according to your situation.

Q7: Why choose us?

A7: We have been making refractory materials for more than 30 years, we have strong technical support and rich experience, we can help customers design different kilns and provide one-stop service.