Fireclay Brick RN40 - Hot Sale

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Supply Capability:: 500000 pc/month

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Fireclay Brick with High Alumina Content (Al2O3 55-60%)

Fireclay Brick with Al2O3 Content around 38%

General Information of Fireclay brick

Our corporation producesa comprehensive range of Fireclay bricks, with 30% to 55% alumina content, allof these bricks exhibit excellent performance.

Our Fireclaybricks are the final result of blending excellent fused alumina and silicon asthe main raw materials with cutting-edge technology, adding superfine powder,after mixing, drying, forming, in the high temperature shuttle kiln. We ensureyou that the Fireclay Bricks made by us possess high quality standard and havegone through all the complicated quality control parameters. Their durabilityand strength adds life to the structure and they have the capacity of bearinghigh temperature.

Feature of Fireclay Brick

Resistant tothermal shock, abrasion, chemical attack

High ability foranti-abrasion during work

Low shrinkagedegree under high temperature so as to maintaining integrity of the furnacelining

Low apparentporosity, and low Fe₂O₃ content to reduce the carbondeposit in the blowhole and avoid the bricks broken in case of expansion

Applications of Fireclay Brick

Fireclay brick is mainlyused in the part of throat, stack, hearth, bottom for blast furnace and thestack for a big blast furnace.

1. Carbon bakedfurnaces in the alumina industry

2. Preheat zonesand cyclones of rotary cement kilns

3. Insulation forglass tanks

4. Coke ovens

5. Blast furnaces

6. Reheatingfurnaces

7. Suspended roofs

8. Lime kilns

9. Chimney

Technical Data of Fireclay Brick RN40
Physical Properties:
Refractoriness	℃	1730
Permanent Linear Change(1350℃×2h)%	%	0～-0.3
Apparent Porosity, %	%	≤24
Cold Crushing Strength	Mpa	≥28
Refractoriness Under Load (T0.6)	℃	1430
Thermal Expansion at 1000℃,	%	0.6
Density	g/cm³	≥2.15
Chemical Analysis:
Al₂O₃	%	≥40
Fe₂O₃	%	≤2.0
Note: Technical Data are typical average results from test pieces. The technical data is offered solely for your consideration. And we reserve the right to modify the technical data without any prior notice. Users of our products should make their own tests to determine the suitability of each product for their particular purposes.

Q: What is the name of the white clay refractory brick: The name of white clay is kaolin clay

Q: The stove which made of refractory bricks and fireclays will produce cracks after being used. How to solve this problem?: The use of low expansion materials will be better. But as for the stove, the appearance of crack is attributed to the selected materials or the environment. And when the temperature is not high, there still seems to be crack, so through expansion joint reservation, not allowing itself to crack

Q: How to choose the proper refractory bricks when buying the refractory bricks?: Crack condition. 4. 6. Inspection of dimensions. Conditions of pits and swells and lack of edges or angles. The inspection of refractory bricks' appearance quality and the condition of the affecting with damp.

Q: Should kiln be warmed before the ignition of the new furnace?: New kiln should be slowly heated up, the time should be 20 days to more than 1 month!

Q: What are the differences between thermal?insulation?bricks and refractory bricks?: Thermal insulation brick has low fire resistance, generally is porous and light.

Q: What is the problem about splintering when the refractory brick is fired?: There are many bubbles inside the refractory brick, it is also possible that the brick itself is not up to the standard about volume density, then refractory brick fragmentates. There are many reasons, may be in the process of repression

Q: Do refractory bricks need to be sent to the lab to test after arriving the site?: Other is nothing, generally it does not need, whether single weight meets the requirements, whether the appearance is regular, usually only to see whether the size is standard, it is set in the procurement

Q: What are the differences between sintered bricks and refractory bricks?: Sintered bricks belong to a type of refractory bricks.

Q: What's the price of clay bricks?: Heavy clay bricks can be divided into ordinary clay brick, clay brick and low creep dense clay brick, used for lining materials in blast furnace, hot blast furnace, boiler, glass kiln, lightweight clay brick is mainly used for thermal insulation function, you will see is used where. If you want to buy the clay brick can go to Henan to see Kang Hui refractories.

Q: The foundation is made of Mu10, which is new clay brick and M7.5 cement mortar. What does it mean?: Clearly pointed out that bricks are MU10's new clay bricks, cement mortar gradation is M7.5, according to this ratio to configure the construction

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