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Yellow Alumina Refractory Bricks Excellent Compression Strength For Blast Furnace

Zhengzhou Xinyu Import Export Trade Co., Ltd.

Yellow Alumina Refractory Bricks Excellent Compression Strength For Blast Furnace

Brand Name : XinYu

Model Number : XY-A75

Certification : ISO9001

Place of Origin : China

MOQ : 25Tons

Price : USD110~USD550/Ton

Payment Terms : Western Union, T/T, L/C, D/A, D/P

Supply Ability : 500Tons/month

Delivery Time : 5-8days

Packaging Details : wooden pallet with paper each layer, wrapped with thick paper and PVC film outside.

Shape : Brick,Block,customized

Material : Alumina Block,calcined bauxite

Refractoriness (degree) : Common (1580°< Refractoriness< 1770°)

Application : Industrial Furnaces,Metallurgy,Nonferrous Metal Furnace

Color : Yellow

Al2o3 content (%) : 48%-85%

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refractory high alumina brick for blast furnace / fire-resistant brick for hot air furnace

Category of Refractory Brick/Fire Brick:
a) According the made method, it can be divided into burnt brick, unburned brick, and electric smelting brick.
b) According the shape and size, it can be divided into standard brick, general brick and abnormal shape brick.
c) According the content of the Al2O3, it can be divided into fire clay brick and high alumina brick.

Production process:
The production process of High Alumina Bricks can be divided into as following process:
Raw material mixing, molding, sintering, selection, packing, delivery.
1) Generally, High Alumina brick was molded by dry pressing.
2) By means of mixing the material uniformity in proportion and ageing mixture some time. Then, pour some powders into the mold and dry pressing.
3) After dry pressing, the adobe needs to be pushed in the drying kiln to stove or stay in the air to dry. This progress will need about 3-5 days.
4) After this progress, then push the adobe into the tunnel furnace or shuttle kiln to burn around 1300C. This progress will be need about 5-7 days.
5) After burning, the finished high alumina brick will be packed on pallet.

Features:
Resistance to High temperature, Resistance to erosion, resistance to abrasion;
Excellent compression strength;
Resistance to acid and alkali;
Excellent heat stability.

Application:
The high alumina bricks are widely applied to industrial furnace, glass furnace, chemical industrial furnace, utility industry furnace lining, smelting furnace, and heat insulation ventilation wall.

Physical and chemical indicators:

Al2O3 (%) ≥60 ≥70 ≥75 78-80
SIO2 (%) 32 22 20 ≥18
Fe2O3 (%) ≤1.7 ≤2.0 ≤1.8 ≤1.8
Na2O+K2O(%) <2.3 <2.0 <1.2
Refractoriness 1790 >1770 >1790 ≥1790
refractoriness under load 0.2mpa(°C) 1450 >1510 >1520 ≥1520
Porosity (%) 22 <22 <21 20
Bulk density(g/cm3) 2.33 2.43-2.48 2.45-2.55 2.55
Cold Cushing strength (Mpa) ≥45 ≥50 ≥54 ≥60
Thermal expansion at 1000°C (%) ≤0.3 ≤0.3 ≤0.3 ≤0.3
Reheating shrinking change(%) 1500°CX24h -0.3 -0.3 -0.3 -0.3

Yellow Alumina Refractory Bricks Excellent Compression Strength For Blast Furnace

Production and inspection :


Yellow Alumina Refractory Bricks Excellent Compression Strength For Blast Furnace

Packaging and transportation:

Yellow Alumina Refractory Bricks Excellent Compression Strength For Blast Furnace

Competitive advantage:

  • 1. Competitive Price. Make the products competitive in your market.
  1. 2. Abundant Experience. Prevent cracks and twist in bricks.
  2. 3. Different Moulds. Save mould fees for you.
  3. 4. Strict Quality Control. Meet clients’ quality requirement.
  4. 5. Large stocks. Guarantee prompt delivery.
  5. 6. Professional Packing. Avoid damage and secure the goods in transportatio


Product Tags:

high alumina fire bricks

      

fire clay bricks

      
Quality Yellow Alumina Refractory Bricks Excellent Compression Strength For Blast Furnace for sale

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