Products Description
As a widely used refractory material, clay refractory bricks are widely used in metallurgy, chemical industry, building materials and other fields because of their strong heat resistance, corrosion resistance and wear resistance.
First of all, the production process of clay refractory bricks is unique, and its main raw materials are clay and other additives. Clay mainly plays a binding role, and other additives can enhance the fire resistance of clay refractory bricks. The production process mainly includes raw material proportioning, molding, drying, firing and other links. During the production process, the temperature, humidity and other requirements of each link need to be strictly controlled to ensure product quality.
Secondly, clay refractory bricks have many advantages, including high fire resistance, excellent chemical corrosion and abrasion resistance, excellent insulation, earthquake resistance, etc. Clay refractory bricks have strong compressive strength and can withstand high pressure under high temperature conditions. At the same time, its anti-corrosion properties can well prevent the erosion of chemical substances and enhance its service life. In addition, clay refractory bricks can also maintain temperature stability well, reduce energy consumption, and contribute to environmental protection.
Finally, clay refractory bricks are widely used in many fields, including the iron and steel metallurgical industry, paper industry, building materials industry, etc. In the steel and metallurgical industry, clay refractory bricks are often used in the lining of high-temperature equipment such as furnaces, blast furnaces, and steel converters; in the papermaking industry, clay refractory bricks can be used to make the linings of steam boilers, chimneys and other components; and in the building materials industry In China, clay refractory bricks can be used as an important building material for linings, wall panels and other parts of high-temperature equipment.
In general, clay refractory bricks are widely used in various industries and fields due to their high fire resistance, corrosion resistance and wear resistance. Its unique production process can save energy and protect the environment, and is more in line with modern production and environmental protection concepts.
Products Parameters
|
Material |
Common |
Special |
|||||||||
|
Blast furnace |
Hot blast stove |
Glass Furnace |
|||||||||
|
Item |
SK32 |
SK34 |
ZGN-42 |
GN-42 |
RN-42 |
RN-40 |
RN-36 |
BN-40a |
BN-40b |
||
|
Pyrometric Cone Equivalent Orton cone |
31-32 |
33-34 |
– |
– |
– |
– |
– |
– |
– |
||
|
Refractoriness (℃) |
1715 |
1760 |
176 |
176 |
176 |
174 |
170 |
– |
– |
||
|
Bulk Density (kg/m3) |
2100-2200 |
2200-2250 |
2200 |
2200 |
2200 |
2200 |
2150 |
2250 |
2250 |
||
|
Apparent Porosity (%) |
22-24 |
18-20 |
≤15 |
≤16 |
≤24 |
≤24 |
≤25 |
≤18 |
≤18 |
||
|
Cold Crushing Strength (MPa) |
22-32 |
30-35 |
≥58.8 |
≥49.0 |
≥29.4 |
≥24.5 |
≥19.6 |
≥49.0 |
≥34.3 |
||
|
Modulus of Rupture (kg/cm2) |
55-70 |
60-80 |
– |
– |
– |
– |
– |
– |
– |
||
|
Reheat test,permanent linearchange after heating at |
(1350℃%,3h) |
– |
– |
– |
– |
– |
0~-3 |
0~-0.5 |
|
|
|
|
(1400℃%,2h) |
– |
– |
– |
– |
– |
– |
– |
0~-0.4 |
0~-0.4 |
||
|
(1450℃%,3h) |
– |
– |
0~-2 |
0~-3 |
0~-0.4 |
– |
– |
– |
– |
||
|
(1400℃%) |
0.0-0.2 |
-0.18 |
– |
– |
– |
– |
– |
– |
– |
||
|
0.2 MPa soft under load (%) |
– |
– |
≥1450 |
≥1430 |
≥1400 |
≥1350 |
≥1300 |
≥1450 |
≥1400 |
||
|
SiO2 (%) |
57.8 |
52.4 |
– |
– |
– |
– |
– |
– |
– |
||
|
Al2O3 (%) |
36.2 |
42.1 |
≥42 |
≥42 |
≥42 |
≥40 |
≥36 |
≥40 |
≥40 |
||
|
Fe2O3 (%) |
2 |
1.4 |
≤1.7 |
≤1.7 |
– |
– |
– |
≤1.5 |
≤1.5 |
||
|
Cao (%) |
0.5 |
0.4 |
– |
– |
– |
– |
– |
– |
– |
||
|
Na2O+K2O+Li2O (%) |
0.5 |
0.5 |
– |
– |
– |
– |
– |
– |
– |
||
Products standard size (size can be customized)

Products Advantages
1. Excellent high temperature resistance
Clay refractory bricks have excellent high-temperature resistance and can withstand corrosive gases with temperatures above 1700°C and long-term use under high-temperature conditions, making them an ideal material in high-temperature and high-pressure environments.
2. Good anti-wear properties
Clay refractory bricks have extremely high wear resistance. After long-term use, they can still maintain the complete structure of the bricks and will not fall or crack, which greatly extends their service life.
3. Good impact resistance
Clay refractory bricks have good impact resistance, that is, they can remain intact even if they are impacted by other equipment or sections in high temperature environments.
4. Good corrosion resistance
Clay refractory bricks can resist strong acid, strong alkali and other corrosion, so they are widely used in corrosive industrial production environments.
5. Low cost
Compared with other refractory materials, the cost of clay refractory bricks is relatively low, and due to its long service life, the cost of replacement and maintenance is reduced.
6.Excellent insulation properties
Clay refractory bricks have excellent insulation properties, which can effectively prevent the transfer of heat and avoid excessive heating of the building, thus ensuring the safety and long-term use of the building.
7.Good shock resistance
Clay refractory bricks have good earthquake resistance, mainly because of their stability and non-deformation in high temperature environments, and their ability to withstand impact and vibration.
8.Excellent compressive strength
Clay refractory bricks have excellent compressive strength properties, mainly due to their unique material structure and sturdiness. In high-temperature environments, clay refractory bricks will not deform, can withstand high-pressure environments, and are not easily affected by pressure.
Products Applications
Clay refractory brick is a high-quality refractory material with a wide range of applications. In kilns, clay refractory bricks can be used in various high-temperature and heavy-duty kilns, such as metallurgical furnaces, glass kilns, cement kilns, ceramic kilns, etc. Inside the kiln, clay refractory bricks are mainly used in important parts such as the furnace door, kiln wall, and furnace bottom. They can withstand extremely high temperatures and chemical erosion and ensure the safe operation of the kiln. Clay refractory bricks have the advantages of good plasticity, high strength, and easy processing
and forming. They are one of the necessary materials for building various kilns.
Products Production Process

Products Packaging And Shipping

Do you want to find a professional supplier of Clay Refractory Brick?
Do you want to find a stable and credible supplier?
Then please contact with us
Zibo Long Keter New Materials Co., Ltd.
Tel: +86-533-2808856
Mob/Whatsapp :+8618678181477
Email: sales@longketer.com
No. 6, Xinhuan East Road, Zhangdian District, Zibo, Shandong, China
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