FIRE High Temperature Refractory Insulating Firebrick

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
10 m.t.
Supply Capability:
1000000 m.t./month

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Product Description:

nsulating Firebrick is made of high grade bauxite through high temperature calcinations. High alumina brick is a kind of neutral refractory material so that it enjoys excellent resistance

to acid and alkali corrosion. It has characteristic of high refractoriness under load, which decide high alumina brick is a n ideal material for various kinds of industrial furnace. It is widely

used in building lining of hot-blast stove, blast furnace, coke oven, rotary kilns of cement and so on.

characteristics: 1 Excellent thermal stability
                       2 High refractoriness under load
                       3 Chemical stability and anti-corrision
                       4 Small high temperature creep rate
                       5 Excellent thermal shock resistance

Typical Application: 1 Building materials for blast furnace
                     2 Building materials for hot-blast stove
                     3 Building materials for coke oven
                     4 Building materials for steel making furnace

                     5 Kiln car building
                     6 For ladle 

Product Type: fireclay brick (SK 32, SK 34)
             high alumina brick (sk 35-38)

Package: pallet, thermal shrinkage package

 

  Technical Data

 

Item

Fireclay Brick

High Alumina Brick


SK32

SK34

SK35

SK36

SK37

SK38


Al2O3  (%)  ≥

38

42

48

55

65

75


Refractoriness (oC) ≥

1670

1730

1750

1770

1790

1810


Refractoriness under Load (oC) ≥

1250

1300

1420

1470

1500

1520


Linear Change (%)

(2h)

1350 oC

1350 oC

1450 oC

1500 oC

1500 oC

1500 oC


-0.5

-0.5

-0.4-+0.1

-0.4-+0.1

-0.4-+0.1

-0.4-+0.1


Porosity (%) ≤

26

26

22

22

23

23


Cold Crushing Strength, MPa ≥

15

20

39.2

44.1

49

53.9



FIRE High Temperature Refractory Insulating Firebrick

 

FAQ

Q1: How do you control the products quality?

A1: With strict quality control system throughout the materials selection and production process, our refractory and ceramic fiber products quality is effectively controlled to meet customer requirements.

From the raw materials selecting, our quality control begin. The quality certificates of raw materials are required and each batch will be tested before using. During production, the quality control are conducted by workers and then each piece will be sorted and examined by quality supervis

 

Q2: What`s the lead time for my order?

A2: It depends on customers’ requirements and our production schedule. And usually we need 30-60 days for refractory bricks,10-25 days for unshaped refractory materials and 10-20 days for ceramic fiber blankets.

 

Q3: Can you offer Door-to-Door delivery?

A3: Yes, but only for some countries such us U.S., UAE, Saudi Arabia, Iran, and Russia, etc.

 

Q4: What is the minimum quantity?

A4: There is no minimum order quantity. Depending on the item and processing, there may be a minimum production required, however we can offer a quotation based only on the quantity you need.

 

Q5: Can you give me a brief introduction of the application of your products?

A5: CNBM (China National Building Material) core refractory business comprises the production, sale and installation of high-grade refractory products, the development and implementation of customized system solutions as well as rendering outstanding services for the key industries in Glass, Iron& Steel, Petrochemical, Cement, Ceramic and Nonferrous Metals.



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Q:What is the difference between cement foamed thermal insulation board and thermal insulating brick?
Of course, the market now has a lot of insulation bricks, and some insulation bricks can only do external wall insulation, such as sand, aerated concrete blocks. Some also only do the interior wall insulation, such as gray aerated concrete blocks, and some insulation bricks directly to the base, thus omitting the internal and external insulation, such as concrete composite insulation block.
Q:The structural specification does not indicate that masonry needs insulation bricks. Is it necessary to use insulation bricks?
Under normal circumstances, the use of thermal insulation brick experience in construction drawings marked, if there is no relevant description requirements, then do not use insulation bricks.
Q:What is the function of insulating bricks? Where can I use it?
Thermal insulation bricks are mainly used in toilets, kitchens, TV sets, bedrooms, walls and so on. And brightly colored, various specifications, can be cut at random, the section neatly.
Q:Masonry method for boiler refractory brick
Masonry of furnace bottom:(1) the bottom shall be leveled before masonry; when the masonry is made, the walls around the bottom shall be first laid, and the height shall be approximately higher than the surface of the hearth. Then the bottom horizontal line (for example, multi layer masonry, together with the layer line) is marked on the straight wall, and then the bottom can be built.(2) when the bottom is made of multi layer bricks, the masonry shall be carried out by layer by layer, and the upper, lower and the same floor shall be staggered. The long side of the surface brick shall be vertical to the direction of the flow of slag or gas.(3) the high temperature area and the furnace bottom which need to be frequently repaired must leave the expansion gap at the bottom of the furnace and the straight wall, and the asbestos rope or asbestos board will be embedded in the gap.
Q:Material and making method of light insulating brick
The strength products are made of high quality tabular corundum and mullite as aggregate, silicon carbide as matrix, additional special additive and a small amount of rare earth oxide to be mixed, and then formed by high pressure molding and high temperature sintering.
Q:What is the exterior wall insulation material made of graphite?
Graphite polystyrene (SEPS) containing graphite particles special, can be like a mirror which contains thermal radiation, and can greatly enhance the heat insulation performance of the infrared absorption, thereby reducing the heat loss of housing. Its insulation capacity is at least 30% higher than the average EPS, helping to increase energy efficiency and reduce carbon dioxide emissions.
Q:Are there any special requirements for the use of raw materials in thermal insulation brick production equipment? What about the raw materials?
. The control system needs to break, pouring the completion of data acquisition and process control of production site, steam curing process monitoring and control, production line of aerated brick Deyi heavy do better and integrity, production operation management etc..
Q:Clay insulation bricks insulation, brick and ordinary clay brick, fireclay, brick distinction, and its use? Thank you
The contrast between the two should not be much different, the insulation brick in the masonry wall at the same time, will be good insulation effect into the wall.
Q:If there is a main component of cenosphere light insulating brick.
Light heat insulation brick with cenosphere composition, material properties will be more high, especially the main properties of thermal conductivity
Q:Are there any differences between insulating bricks and refractory bricks
The degree of refractoriness of insulating bricks is generally below 1400 tons, while the refractoriness of refractory bricks is above 1400 degrees. 3. density insulation bricks are generally lightweight insulation materials, the density is generally in 0.8-1.0g/cm3, and the density of refractory bricks are basically above 2.0g/cm3.

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