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China Good Quality High alumina Al2O3 Heat Resistance Fire resistant brick refractory brick

Get Latest Price

US$ 0.78

≥500 Pieces

US$ 0.7

≥5001 Pieces

US$ 0.63

≥20001 Pieces

Quick Details

SiO2 Content (%):

7-45%

Al2O3 Content (%):

35-90%

MgO Content (%):

0.05%Max

CaO Content (%):

0.2~0.4%

CrO Content (%):

SiC Content (%):

0.1~1.4%MAX

Place of Origin:

Henan, China

Model Number:

SK 36/37/38

Brand Name:

KRNC

Product name:

Refractory bricks

Application:

Furnace lining

Name:

Alumina refractory bricks

Color:

White yellow

Raw material:

High Alumina Bauxite

Size:

Customization

Bulk density g/cm3:

0.8-2.7

Type:

Al-Si refractory

Usage:

High Temperature Kiln

Certificate:

ISO9001

Product Details

$China Good Quality High alumina Al2O3 Heat Resistance Fire resistant brick refractory brick$

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.

$China Good Quality High alumina Al2O3 Heat Resistance Fire resistant brick refractory brick$

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
ω (Al2O3)/%		σ	1.5
Apparent Porosity/%	μ0 ≤	21 (23)	24 (26)	24 (26)	24 (26)	22 (24)	22 (24)	19	19
Apparent Porosity/%		σ	1.5
Cold Crushing Strength/MPa	μ0 ≥	70 (60)	60 (50)	55 (45)	50 (40)	45 (40)	40 (35)	65	60
		X _min	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
0.2MPa Refractoriness Underload/℃		σ	13
Permanent Linear Change/%	X _min X _max	1500℃*2 h -0.4~0.2			1450℃*2h -0.4~0.1						1500℃*2 h -0.2~0.1

$China Good Quality High alumina Al2O3 Heat Resistance Fire resistant brick refractory brick$

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.

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.

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.