High Alumina Brick
High alumina hard firebrick or refractory fire brick contains alumina 45% to 80%. It have grade SK35,SK36 SK37,SK38,SK40.The alumina bricks are produced with various size to meet different kiln applications.It could also be designed according to customer kiln drawing.
The higher the alumina content,the better of refractories performance.
Package: Wooden pallet
Usage: high temperature boiler,kiln,furnace construction
Overview of High Alumina Firebrick
High alumina hard firebrick contains alumina 45% to 80%.With features high temperature performance,good strength and wear resistance,high alumina brick are widely used in steel plant,blast furnace,rotary kiln and melting industry.
Available Grade
We supply different grade high alumina bricks,according to alumina content.
SK36 : Alumina content is 50%,density is about 2.3 g/cm3
SK37 : Alumina content is 60%,density is about 2.35g/cm3
SK38: Alumina contains about 72%,density is 2.4 g/cm3
SK40: Alumina contains min 80%,density 2.65g/cm3
Product shape
High alumina hard firebrick could be produced with various shape,such as straight brick,side arch brick,end arch brick,anchor brick etc. If you need a specific grade or different shapes,please contact us.
Key Features
Good high temperature performance and firing
Good corrosion and wear resistance
Excellent hardness and good strength and spalling resistance
High bulk density
Low iron content
Applications
Cement rotary kiln and its cooler,lime kiln
Electric arc furnace and roofs
Melting furnace
Blast furnace and hot blast stove
Reheating furnace and soaking pits
How to Order High Alumina Refractory Bricks?
If you need high alumina bricks,hard firebrick tiles or need specific dimensions & shapes & density,please contact us to Take A Quote,we will offer more details to help.
Transportation:cargo will be delivered by sea transportation.
Lead Time: Please contact us to confirm deirectly.
Data Sheet
Item | SK36 | SK37 | SK38 | SK40 |
Apparent Porosity(%) | 23 | 23 | 23 | 22 |
Bulk Density(g/cm3) | 2.3 | 2.35 | 2.4 | 2.65 |
Cold Crushing Strength(Mpa) | 45 | 50 | 52 | 70 |
Thermal Linear Expansion(%)at 1000C | 0.6 | 0.6 | 0.6 | 0.6 |
Permanent Linear Change(%) at 1400Cx2hrs | ±0.3 | ±0.3 | ±0.3 | ±0.2 |
Refractoriness under load(C) at 0.2 Mpa | 1420 | 1450 | 1500 | 1530 |
Al2O3(%) | 50 | 60 | 72 | 80 |
Fe2O3(%) | 2 | 2 | 2 | 1.8 |
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