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Less Miscellaneous Mass 2.25g High Alumina Refractory Bricks

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Less Miscellaneous Mass 2.25g High Alumina Refractory Bricks

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Brand Name : ANNEC

Model Number : SK34

Certification : ISO, CE

Place of Origin : China

MOQ : 200 pcs

Price : usd1.2-3.8pcs

Payment Terms : L/C, D/P

Supply Ability : 3000 tons/month

Delivery Time : 5-8 working days

Packaging Details : fumigation pallet

Refractoriness : SK34

Fe2O3 : ≤2%

Apparent porosity : ≤23%

Bulk density : ≥2.55g/cm3

CCS : ≥45Mpa

RUL : ≥1500℃

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Less Miscellaneous Mass 2.25g High Alumina Refractory Bricks

Data

SK34 High Alumina Brick
Item SK-36 SK-37 SK-38 SK-40
Refractoriness, ºC 1790 1820 1850 1920
Chemical composition Al2O3, % 55 65 70 82
Fe2O3, % 2.0 2.0 2.0 2.0
Refractoriness under loading 0.2Mpa, ºC() 1450 1480 1530 1600
True porosity, % 20-23 20-23 20-22 18-20
Bulk density, g/cm3 2.25-2.4 2.3-2.5 2.4-2.6 2.5-2.7
Cold crushing strength, MPa 45 50 60 70

SK34 High Alumina Brick is an ideal insulating refractory refractory material, with advantages of high strength, low thermal conductivity, good insulation property and low price. For various industrial kilns & furnaces, it is a kind of essential refractory for energy saving and temperature preservation.

SK34 High Alumina Brick is also called high alumina insulating brick. It contains more than 48% Ai2O3 and mainly consists of mullite and glass phase or corundum. It is usually made of high bauxite and a small amount of clay. After the raw materials are grounded, it is made into mud. Then it is cast and molded and fired at 1300~1500℃. Sometimes industrial alumimum is used to replace bauxite. Inorganic matter is added as ignition loss substance in order to increase the porosity of the refractory.

Feature

1. SK34 High Alumina Brick have better thermal conductivity than clay bricks.

2. Because Al2O3 in high aluminum products is high and has less miscellaneous mass, softening temperature under load is higher than clay bricks.

3. The thermal shock resistance of SK34 High Alumina Brick is between clay and silica products.

Applications:

1. Furnaces of metallurgy industry, heat treatment furnace
2. Furnaces of chemical industry and construction industry.
3. Furnace of incineration of garbage, recirculating fluidized bed furnace
Standard sizing: 230 x 114 x 65 mm others up to the client

Production Process of High alumina insulating brick:

SK34 High Alumina Brick: Crushing→Mixing→Shaping→Drying→Firing→Inspection→Packaging and Shipment

Light weight high alumina brick has such advantages as high porosity, good insulation effect, high mechanical intensity, low thermal refractory fiber board conductivity and long service life. It has high cold crushing strengh,size precision and holds the most stable and lowest thermal conductivity of all insulating refractory brick at present. Its maximum insulating castable service temperature is 1350℃. Thermal efficiency and working condition can be improved, energy consumption can be lowered, productivity and significant economic results can be achieved.
Light weight high alumina brick is characterized by low bulk density. The total weight of the furnace body and walls thickness can be reduced effectively.
It has found a wide application in ceramics tunnel kiln, roller kiln, shuttle kiln, coking furnaces of iron and steel industry and other thermal equipment. It is mainly used in lining and insulating layer of areas without strong erosion by high temperature melts. When in direct contact with flame, the surface contact temperature can not be higher than 1350℃

Less Miscellaneous Mass 2.25g High Alumina Refractory BricksLess Miscellaneous Mass 2.25g High Alumina Refractory Bricks

Zhengzhou Annec CO., Ltd. was founded in 2003, and has been a NASDAQ listed corporation since 2011 with ticker identification ANNC. Annec had become the industrial leader within China in the areas of refractory production, Engineering for hot blast stove of blast furnace, and capability for EPC project. Annec has its own Provincial Enterprise Technology Center and Top Combustion Hot Blast Stove Research Centre, Annec (Beijing) Engineering & Technology Co., Ltd and four Manufacturers for Refractories. The annual output of different type of refractories can reach 150 thousand tons, and undertaken capability of more than 10 turnkey projects for hot blast stove.

Annec is a national hi-tech company, and is accredited with ISO9001:2008 quality control system standards, ISO12001:2004 environmental control system standards, and GB/T28001-2011 HAZOPS. Annec has set up a thorough and effective management system with practical considerations for her employees and community, and is persistent in promoting employee self-value and product quality. With these efforts, Annec was awarded the prestigious 2012 Zhengzhou Mayor Quality Prize.


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