Products Description
Clay bricks refractory is a high-quality construction material with good heat resistance, acid and alkali corrosion resistance and other properties. Due to its excellent performance, clay bricks have been widely used in various high-temperature applications, such as steel, boilers, furnaces, chimneys and other industrial fields. They are also used in firewalls, coal gasification furnaces and other occasions in the construction field.
1. Material composition
Clay bricks refractory is a red ceramic material, mainly composed of natural clay and mica and other auxiliary materials, and is formed through high-temperature sintering. Clay bricks have excellent fire resistance and chemical corrosion resistance, do not contain harmful substances, have no radiation, and are harmless to the human body.
2. Product series
Clay bricks refractory product series is rich, including for forging, oven, glass furnace, silicon steel smelting, high aluminum smelting, furnace throat, chimney, furnace top and other categories, which can meet the needs of different industries and different occasions.
(1) Clay bricks for forging: widely used in the forging industry, with excellent fire resistance, wear resistance, and alkali resistance.
(2) Clay bricks for ovens: suitable for lining various ovens and kilns, and can maintain structural integrity and stability at high temperatures.
(3) Clay bricks for glass melting furnaces: suitable for the glass manufacturing industry, which can withstand chemical and physical reactions at high temperatures and maintain stability and balance.
(4) Clay bricks for silicon steel smelting: suitable for silicon steel smelting industry, with good acid, alkali and slag resistance, which can ensure long-term stable performance.
(5) Clay bricks for high-aluminum smelting: widely used in high-aluminum smelting industry, can withstand erosion and corrosion at high temperatures, and have good wear resistance.
(6) Clay bricks for furnace throats and chimneys: suitable for various smelting industries and thermal power generation industries. They have excellent fire resistance and can withstand erosion and erosion at high temperatures and pressures.
(7) Clay bricks for furnace tops: suitable for various heat treatment equipment and smelting furnace tops. Their excellent refractory properties ensure that the furnace tops can be used for a long time at high temperatures.
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) Low thermal conductivity: The thermal conductivity of clay bricks is lower than that of ordinary bricks, which can reduce heat loss and save energy.
(2) Good fire resistance: Clay bricks have good fire resistance in high temperature environments, are not easily damaged by high temperatures, and can ensure long-term work efficiency.
(3) High strength: Clay bricks adopt a high-temperature sintering process. Their strength is higher than that of ordinary red bricks and they can withstand various environmental forces.
(4) Good acid and alkali corrosion resistance: Clay bricks have been treated with special processes and have excellent acid and alkali corrosion resistance, and are suitable for various equipment in the chemical industry.
Products Description
Clay bricks refractory are suitable for various high-temperature applications, such as smelting, ironmaking, heat treatment, glass, chemical industry and other fields. It is widely used in the lining of various high-temperature equipment and pipelines, such as heating furnaces, heat treatment furnaces, coal gasification furnaces, burners, etc. At the same time, clay bricks can also be used as building fireproofing materials such as fireproof partition walls, fireproof partitions, and floor tiles, with excellent results.
Products Production Process
Products Packaging And Shipping
Do you want to find a professional supplier of clay brick refractory?
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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