| Refractoriness (℃): | 1580< Refractoriness< 1770 |
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| Feature: | Long Time Materials, Instant Materials, Top Grade |
| Type: | Refractory Material |
| Shape: | Brick |
| Material: | Alumina Block |
| Product Name: | High Alumina Refractory Brick |
| Samples: |
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| Customization: |
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Audited Supplier 
High alumina brick is a kind of neutral refractory with alumina content above 48%. It is formed by shaping and calcining bauxite or other raw materials with high alumina content. High thermal stability and fire resistance above 1770 ºC.
We bring forth high quality High Alumina Bricks, which is manufactured to meet the requirements of neutral refractoriness where safe working temperature is more than 1300 degree centigrade. We offer high Alumina Bricks in different specifications as per customer requirements.
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Material
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high alumina bauxite-Al2O3 content is 48%-85%
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Temperature
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Refractoriness is above 1770°C,Working temperature:1350°C -1650°C
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Color
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earthy yellow
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Size
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Standard sizing: 230 x 114 x 65 mm ,Special size and OEM Service also provide!
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Shape
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Straight Brick,special-shaped brick,checher brick,trapezoidal brick,Bricks with taper,arch brick,skew brick,ect.
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High Alumina Refractory Brick Features
1. High refractoriness;
2. High temperature strength;
3. High thermal stability;
4. Neutral refractory;
5. Good resistance to acid and basic slag corrosion;
6. High refractoriness under load;
7. High temperature creep resistance;
8. Low apparent porosity;
Standard sizing: 230 x 114 x 65 mm ,Special size and OEM Service also provide!
The size is precise, providing kinds of shapes according to customer's drawing
High Alumina Refractory Brick Specification
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High Alumina Refractory Brick Physical and Chemical Index:
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Item
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Properties
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RS-80
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RS-75
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RS-65
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RS-55
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RS-48
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Al2O3 (%)
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80
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≥75
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≥65
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≥55
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≥48
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Refractoriness (°C )
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≥1790
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≥1790
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≥1790
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≥1770
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≥1750
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Bulk density (g/cm3)
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2.65
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2.5
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2.45
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2.4
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2.3
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Softening temperature under load (°C )
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1530
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≥1520
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≥1500
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≥1470
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≥1420
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Reheating Linear changes Rate (%)
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1500°CX2H
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0.1
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0.1
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0.1
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0.1
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0.1
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1450°CX2H
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-0.4
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-0.4
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-0.4
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-0.4
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-0.4
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Apparent porosity (%)
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22
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≤23
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≤23
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≤22
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≤22
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Cold crushing strength (Mpa)
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55
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≥50
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≥45
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≥40
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≥35
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Application
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steel furnace, glass furnace, sodium silicate furnace, ceramic shuttle kiln, cement rotary kiln, blast furnace, electric furnace,blast furnace and reverberatory furnace.
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High Alumina Refractory Brick Applications
High alumina bricks are widely used in cement, glass building materials, steel smelting, petrochemical and other industries.
1.Iron & steel making industry: Blast furnace,hot blast stove,electric furnace,ladle,tundish,heating furnace,refining furnace,reheating furnace,annealing furnace,cupola furnace.
2.Non-ferrous Metal industry:Smelting furnace,refining furnace,reverberatory furnace,converter furnace.
3.Building materials industry:Cement kiln,glass kiln,ceramic kiln,lime kilns,kiln car,tunnel kiln.
4.Energy & Incineration:Coke oven,circulating fluidized bed boiler,carbon roasting furnace, incinerators. 5.Others:Petrochemical industry furnace.
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.
Packaging : Packed by sea-worthy wooden pallet + shrink wrapped + carton For example, Standard size of high alumina brick : 230x114x65mm Shipping : 384pcs/plt x 18 plots in one 20 feet container;
ZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED has 30 years of experience in R & D and design of unshape refractory experts, holds 20 utility model patents and 7 invention patents, and has passed the ISO quality, environment and safety management system certification.
The company is committed to the R & D, production and service of refractories used in metallurgy, electric power, nonferrous metals, building materials, chemical industry and other industries. Its products cover 198 kinds of materials and 2369 varieties in three categories (acidic, neutral and alkaline), providing overall solutions for refractories for 1200 domestic and 200 foreign customers.The products are mainly all kinds of stereotyped and amorphous refractories, with full refractory physical and chemical index testing equipment and testing system, through ISO quality, environment, safety three management systems.
Rongsheng Refractory has established complete quality system and conducted quality control through the whole staff and process that from raw materials, production, check and various parts strictly according to ISO9001 standard.Annual production capacity is up to 60000 tons. There are light and heavy weight materials production lines and all kinds of complete production, testing and check equipment, of which there are 10 series shaped press machine that from 400 tons to 1000 tons and two hyperthermia tunnel kilns whose length are 148m and 118m.
Rongsheng holds the third-level qualification certificate of metallurgical general contracting for furnace construction, the second-level anti-corrosion insulation qualification certificate, the quality management system ISO 9001 certification, 14001 certification, 45001 certification, 18001 certification and AAA-level credit enterprise certification. 25 Years of experience, more than 2,000 furnace cases around the world, and a team that can execute more than 20 furnace construction projects at the same time.
1.Are you a manufacturer or a trader?
Manufacturer, some time we help our clients to purchase related products as a trader.
2.What's the MOQ?
The MOQ varies for different products. Please contact us to understand.
3.How do you guarantee quality?
Always a pre-production sample before mass production;Always final Inspection before shipment;
4.Can you provide samples for free?
Yes, we can supply samples for free, and the freight will be undertaken by clients.
5.May I visit your factory?
Yes, we will arrange professional reception personnel to patiently explain to you.
6.Why choose you over other suppliers?
We have a large scale, strong strength, and rich experience, professional technology, and perfect customer service, and have obtained various certifications such as CE/ISO9001/ISO45001.
7.What services can you provide?
Any delivery terms are acceptable
Accept any payment currency
Accept any payment type
Language: English, Chinese, Spanish, Japanese, Portuguese, German, Arabic, French, Russian, Korean, Hindi, Italian, etc
we can provide you with the most advantageous quotations and products. Looking forward to be your partner!
Suppliers with verified business licenses
Audited Supplier 
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