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High Temperature Kiln Refractory Bricks High Quality Al2O3 45-80% Alumina Firebrick For Furnace

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High Temperature Kiln Refractory Bricks High Quality Al2O3 45-80% Alumina Firebrick For Furnace

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Brand Name : RONGSHENG

Certification : ISO9001

Place of Origin : Henan, China

Refractoriness : ≥1790℃

Application : High temperature industrial furnaces

Extended Kiln Life : Yes

Impact Resistance : High

Softening Point : High

Sample : free

Chemical Composition : Al2O3-SiO2-CaO

Corrosion Resistance : High

Working Temperature : High

Linear Change Rate : ≤0.2%

Alkali Resistance : Excellent

Application Temperature : 1400-1700℃

Shape Type : Standard Straight Shape

Porosity : ≤20%

Iron Content : ≤2.0%

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Product Description

High Temperature Kiln Refractory Bricks High Quality Al2O3 45-80% Alumina Firebrick For Furnace

Introduction to high alumina refractory bricks

High alumina brick is a neutral refractory material with an alumina content of more than 48%. It is formed and calcined from bauxite or other raw materials with high alumina content. High thermal stability, fire resistance temperature above 1770℃.

Our high alumina brick raw materials

Our company only sources high-quality raw materials from long-term, trustworthy suppliers. All raw materials entering the factory are strictly inspected. Each production process will be strictly controlled to ensure quality and consistency to provide customers with the highest quality high alumina bricks.

High Temperature Kiln Refractory Bricks High Quality Al2O3 45-80% Alumina Firebrick For Furnace

Physical and Chemical Indicators For High Aluminum Brick :

Item/Grade Fire clay brick High alumina brick
SK-30 SK-32 SK-34 SK-35 SK-36 SK-37 SK-38 SK-40
AL2O3% (≥) 30 35 38 45 55 65 70 82
Fe2O3% (≤) 2.5 2.5 2 2 2 2 2 2
Refractoriness(SK) 30 32 34 35 36 37 38 40
Refractoriness under
load, 0.2MPa, °C (≥)		 1250 1300 1360 1420 1450 1480 1530 1600
Apparent porosity (%) 22-26 20-24 20-22 18-20 20-23 20-23 20-22 18-20
Bulk density (g/cm³) 1.9-2.0 1.95-2.1 2.1-2.2 2.15-2.22 2.25-2.4 2.3-2.5 2.4-2.6 2.5-2.7
Cold crushing strength
MPa (≥)		 20 25 30 40 45 50 60 70
Application

High Temperature Kiln Refractory Bricks High Quality Al2O3 45-80% Alumina Firebrick For Furnace

As a basic material in the field of high-temperature technology, high alumina bricks are widely used in cement, glass building materials, steel smelting, petrochemical and other industries.
High temperature industrial furnaces for high alumina bricks include blast furnace, hot blast furnace, electric furnace, blast furnace, reverberatory furnace and rotary kiln lining. In addition, high alumina bricks can also be processed into open hearth regenerative grid bricks, socket bricks for pouring system, nozzle bricks, etc. according to the requirements of industrial furnaces.


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