Key specification for this boiler: material Alumina,Clay,Mullite, certificate ISO9001;ISO14001;ISO18001. Everything below is reproduced from the factory data sheet. Made by Zhengzhou Kerui (Group) Refractory Co., Ltd. (9 years on the platform, factory-assessed). For a binding price and lead time, send the volume you need and where it ships to.
Key Features of This Boiler
- Material: Alumina,Clay,Mullite
- Raw Material: Bauxite
- Place Of Origin: Henan, China
- Application: Furnace Lining
- Single Package Size: 23X11.4X6.5 cm
- Single Gross Weight: 3.91 kg
Technical Specifications
| Refractoriness (Degree) | High Refractory (1770 °C~2000 °C) |
|---|---|
| Material | Alumina,Clay,Mullite |
| Shape | Brick |
| Processing Service | Packaging |
| Al2O3 Content (%) | 45-80% |
| CaO Content (%) | – |
| CrO Content (%) | – |
| MgO Content (%) | – |
| SiC Content (%) | – |
| SiO2 Content (%) | 15~45% |
| Place Of Origin | Henan, China |
| Brand Name | Kerui Refractory |
| Color | Yellow |
| Raw Material | Bauxite |
| Certificate | ISO9001;ISO14001;ISO18001 |
| Application | Furnace Lining |
| Bulk Density | 1.85~2.85g/cm3 |
| Compressive Strength | 25~60Mpa |
| Al2O3 | 48~75% |
| Working Temperature | 1430~1750℃ |
| Thermal Conductivity | 0.40~1.20w/(mk) |
| Selling Units | Single item |
| Single Package Size | 23X11.4X6.5 cm |
| Single Gross Weight | 3.91 kg |
Product Details
Product Description
High alumina brick is a neutral refractory material with an alumina content of over 48%. It is made by molding and false firing raw materials with high alumina content, such as clay or other materials. High thermal stability, with a fire resistance of over 1770℃. Good slag resistance, used for lining steelmaking electric furnaces, glass furnaces, cement rotary furnaces, etc.
Specification
Item | LZ- 80 | LZ- 75 | LZ- 70 | LZ- 65 | LZ- 55 | LZ- 48 | LZ- 75G | LZ- 65G | ||||||||
ω (Al2O3)/% | μ0 ≥ | 80 | 75 | 70 | 65 | 55 | 48 | 75 | 65 | |||||||
σ | 1.5 | |||||||||||||||
Apparent Porosity/% | μ0 ≤ | 21 (23) | 24 (26) | 24 (26) | 24 (26) | 22 (24) | 22 (24) | 19 | 19 | |||||||
σ | 1.5 | |||||||||||||||
Cold Crushing Strength/MPa | μ0 ≥ | 70 (60) | 60 (50) | 55 (45) | 50 (40) | 45 (40) | 40 (35) | 65 | 60 | |||||||
Xmin | 60 (50) | 50 (40) | 45 (35) | 40 (30) | 35 (30) | 30 (35) | 55 | 50 | ||||||||
σ | 15 | |||||||||||||||
0.2MPa Refractoriness Underload/℃ | μ0 ≥ | 1530 | 1520 | 1510 | 1500 | 1450 | 1420 | 1520 | 1500 | |||||||
σ | 13 | |||||||||||||||
Permanent Linear Change/% | Xmin Xmax | 1500℃*2 h -0.4~0.2 | 1450℃*2h -0.4~0.1 | 1500℃*2 h -0.2~0.1 | ||||||||||||
Key Features
Refractory bricks are characterized by their ease of installation, thermal insulation, heat resistance, wear resistance, and chemical erosion resistance. They protect the furnace shell and are ideal for use in various industrial high-temperature kilns.
High load-bearing capacity
High alumina bricks can withstand heavy loads and provide excellent structural support.
Low creep
They show minimal deformation under high temperature and pressure, ensuring long-term stability and durability.
High thermal stability
High alumina bricks can withstand high temperatures above 1770 ℃ and exhibit excellent performance under extreme high temperature conditions.
Excellent resistance to corrosion
They have excellent resistance to chemical corrosion, which is important in industrial environments with harsh chemicals and gases.
Good thermal shock resistance
High alumina bricks can withstand rapid temperature changes without cracking or breaking.
Minimal high-temperature deformation
High alumina bricks maintain their shape and structural integrity even under extreme heat and thermal stress.
Applications
Glass Industry
High alumina bricks are used in glass melting furnaces and regenerators.
Petrochemical Industry
High alumina bricks are utilized in kilns and furnaces for ceramic production.
Steel Industry
The brick is extensively used to line the steel ladles, blast furnaces, and other high-temperature equipment.
Ceramic Industry
The brick is used in petrochemical processes, such as the construction of cracking furnaces and reformers.
Cement Industry
High alumina bricks are used in cement kilns and other cement production equipment.
Power Station Industry
The brick is used in boilers, incinerators, and other high-temperature equipment in power plants.
Production Process
KERUI Refractory
Zhengzhou Kerui (Group) Refractory Co., Ltd. is located in China’s largest refractory industry zone: Chaohua Town, Xinmi City, Henan Province.
KERUI Refractory strives to provide top-notch solutions and services for high-temperature industries worldwide, including iron steel, aluminum, power, glass, boiler, non-ferrous, cement industry, etc.
KERUI has a diverse and extensive global customer base, with clients located in various regions around the world. our high-quality products and services have earned us a reputation for excellence, making us a preferred choice for many industries.
Our commitment to quality and customer satisfaction has allowed us to build strong relationships with clients in North America, South America, Europe, Asia, Africa, and beyond. We continually strive to exceed our customers' expectations, delivering reliable products and exceptional service at all times.
We work closely with our customers to understand their unique needs, providing tailored solutions that meet their specific requirements.
KERUI Refractory strives to provide top-notch solutions and services for high-temperature industries worldwide, including iron steel, aluminum, power, glass, boiler, non-ferrous, cement industry, etc.
KERUI has a diverse and extensive global customer base, with clients located in various regions around the world. our high-quality products and services have earned us a reputation for excellence, making us a preferred choice for many industries.
Our commitment to quality and customer satisfaction has allowed us to build strong relationships with clients in North America, South America, Europe, Asia, Africa, and beyond. We continually strive to exceed our customers' expectations, delivering reliable products and exceptional service at all times.
We work closely with our customers to understand their unique needs, providing tailored solutions that meet their specific requirements.
With feasible solutions and considerate service, Kerui has dece loped stable cooperation relationships with global customers.
Our cooperation is based on a common win-win goal. Together with Kerui, we can create innovative solutions and realize your success in high temperature industries.
Our cooperation is based on a common win-win goal. Together with Kerui, we can create innovative solutions and realize your success in high temperature industries.
FAQ
1. Are we a manufacturer or supplier?
We have surely been a reliable manufacturer since 2004.
2. OEM, ODM?
Most certainly, we can also customizable to meet unique requirements, for instance, indicators, sizes, etc.
3. Project questions, such as kiln maintenance, available for consultation?
Yes, PLEASE, We have experienced product technical consultants to communicate online.
4. How do you conduct quality testing on your products?
We strictly follow the quality management system, and we have a logistics chemistry laboratory. Here are some of the ways we conduct quality testing:
1) Raw material inspection
2) In-process inspection
3) Finished product inspection
4) Performance testing
5) Stability testing
5. How can I get a sample?
Sure, before your first purchase order, you can get a free test sample.
We have surely been a reliable manufacturer since 2004.
2. OEM, ODM?
Most certainly, we can also customizable to meet unique requirements, for instance, indicators, sizes, etc.
3. Project questions, such as kiln maintenance, available for consultation?
Yes, PLEASE, We have experienced product technical consultants to communicate online.
4. How do you conduct quality testing on your products?
We strictly follow the quality management system, and we have a logistics chemistry laboratory. Here are some of the ways we conduct quality testing:
1) Raw material inspection
2) In-process inspection
3) Finished product inspection
4) Performance testing
5) Stability testing
5. How can I get a sample?
Sure, before your first purchase order, you can get a free test sample.
Ordering and Pricing
- Minimum order quantity: 500 piece
- Volume pricing:
- 500–20000 piece: US $0.78 / piece
- 20001+ piece: US $0.7 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this boiler?
The standard minimum order quantity is 500 piece. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
Which certifications does this boiler carry?
It is supplied with ISO9001;ISO14001;ISO18001 documentation, which covers the requirements of most import markets. Additional test reports can be issued on request.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
About the Manufacturer
This product is produced by Zhengzhou Kerui (Group) Refractory Co., Ltd., based in China. The company 9 years as a verified Alibaba.com supplier, operates its own manufacturing, passed third-party supplier assessment. Browse the full Zhengzhou Kerui (Group) Refractory Co., Ltd. range on HVACR Nexus.
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