• Manufacture Low Apparent Porosity Mullite Insulating Fire Brick System 1
  • Manufacture Low Apparent Porosity Mullite Insulating Fire Brick System 2
Manufacture Low Apparent Porosity Mullite Insulating Fire Brick

Manufacture Low Apparent Porosity Mullite Insulating Fire Brick

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
1 m.t.
Supply Capability:
1000 m.t./month

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Packaging & Delivery

 

Packaging Details:

Wood carton box:10pcs/carton wooden   pallet:544pcs/pallet

Delivery Detail:

15 Days deposit


Mullite Insulation Refractory Bricks 
Refractory Insulation Bricks 
Refractory Bricks Manufacturer 
Al2O3:48%, 
B.D.:0.5~1.0g/c 

 

Insulation bricks are classified under temperature between 1300ºC and 1700ºC, manufactured from high purity alumina clay by mixing, press-forming, drying, sintering and machining. Bricks contain carefully-graded organic fillers which are burned out during sintering to give a uniform controllable pore structure. This technique makes product feature low thermal conductivity and excellent heat insulation

 

Refractory Insulation brick can be used as a hot face lining directly exposed to the heat or as a backup insulation layer in iron and steel mills, non ferrous foundries, petrochemical, ceramic, glass, cement and oil fired electric power generating plants.

 

ADVANTAGES: 

Light weight and low thermal conductivity allows thinner furnace walls 
Maintain stable structural strength throughout ambient to maximum service temperature 
Low heat storage results in rapid cooling and heating operation 
Low iron and impurities to enhance reducing atmosphere 
High thermal shock resistance in preventing spalling 
Non standard sizes and shapes are available upon request 

 

Quality

JM-23

JM -26

JM -28

JM -30

JM -32


Classification   temperature(oC)

1260

1430

1540

1650

1760


Bulk density   (g/cm3)

0.6

0.8

0.9

1

1.25


Crushing   strength (Mpa)

1.2

1.6

2.1

2.5

3.5


Modulus of   rupture (Mpa)

0.9

1.4

1.6

2.1

2.1


Permanent linear   change (CT-30oCX24h)%

0.5

0.4

0.5

0.9

0.9


Reversible   thermal expansion at 1100oC

0.5

0.7

0.8

0.9

1.1


Thermal shock   resistance(cycles)1100oC Water cooling

30

30

30

30

30


Thermal   conductivity (W/m.k)

400oC

0.14

0.27

0.32

0.41

0.49


600oC

0.16

0.29

0.34

0.43

0.5


800oC

0.18

0.31

0.36

0.44

0.51


1000oC

0.2

0.33

0.38

0.45

0.53


1200oC

-

0.35

0.41

0.47

0.56


Chemical   Analysis (%)

Al2O3

37

58

67

73

77


Fe2O3

0.7

0.7

0.6

0.5

0.4





Manufacture Low Apparent Porosity Mullite Insulating Fire Brick

Manufacture Low Apparent Porosity Mullite Insulating Fire Brick

Manufacture Low Apparent Porosity Mullite Insulating Fire Brick


Q:What is the price of refractory bricks?
The refractory insulating brick generally refers to light brick, normal furnace lining are using this brick kiln will not increase the weight, and good heat insulation effect and ordinary insulating brick production are made of clay, high alumina high strength low iron bead brick, mullite, high aluminum light insulating firebrick, diatomite insulating refractory brick, the use of light heat insulation brick can increase the use of space, and good insulation effect
Q:The introduction of mullite brick
General alumina content in 65% ~ 75% between. In addition to mullite, the mineral composition contains lower amounts of glass phase and square quartz, and alumina containing a small amount of corundum.
Q:What is the difference between mullite ceramics and alumina ceramics? Can you tell me something to do with floor tiles?
Mullite is formed by the reaction of alumina with silica. The main difference between him and alumina is that:Hardness: alumina is harder than mullite, but two are tough enough, and are not easy to break.Corrosion resistance: mullite acid is not alkali resistant. Alpha alumina ceramic acid, alkali resistance - for floor tiles, alumina corrosion resistance is too high, unnecessary.
Q:Aluminum content 38, silicon content 55 What refractory bricks?
Semisilica brick: the content of Al2O3 is 15% ~ 30% of aluminium silicate refractory products. Manufacturing products are semi silica quartz containing impurities or native clay kaolin, refractory clay or kaolin beneficiation tailings and the pyrophyllite
Q:The difference between the high aluminum corundum brick and corundum mullite brick
Tiles are called floor tiles, floor tiles, polished tiles and glazed tiles are glazed tiles, bricks are samples of all kinds of tiles, ceramic tiles will be placed in the tile shop, tiles are also divided into outer wall tiles and inner wall tiles, modern brick and antique brick
Q:What are the properties of corundum mullite?
Heavy material has good compactness, high compressive strength, resistance to various corrosive gases, good thermal shock resistance, good thermal conductivity and wear resistance.
Q:Jm26 mullite aluminum content in the number, ask God to answer. 23 more. How is this identified with the naked eye?
In the presence of excess EDTA in the acidic medium, the aluminum is complexed with EDTA, and the remaining EDTA is complexed with lead salt, and then the EDTA complexed with aluminum is replaced by sodium fluoride, and the lead salt is substituted...
Q:Mullite bricks in alumina alumina is what?
Quality solutionsMullite brick:With mullite as main crystalline phase of high alumina refractory products. Mullite bricks containing Al2O3 64%~75%, refractoriness >1790? C, normal temperature compressive strength 70~260MPa, softening the starting point for 1600~1700 degrees. The manufacturing method for casting and sintering process.
Q:What are the varieties of polycrystalline mullite?
PNF-100 seriesThe PNF-100 series are made of polycrystalline mullite fiber cotton felt to cut, compress, and wrap into blocks without any adhesive.Characteristic: thermal shock resistancelow thermal conductivityLight weightSound absorption propertyLow thermal storage
Q:Refractory bricks (mullite bricks) can be used on the walls of buildings?
Refractory bricks used in the firewall, the first choice of national standard model, its size is 230mmx114mmx65mm, model T-3, component 3.5-3.7kg, and sometimes will use refractory bricks, seven separately to make up for the effect. Refractory brick in masonry usually fireclay, refractory soil adhesion is very strong, and has a certain degree of refractory refractory, so was widely used in refractory masonry, in building fire protection requirements if the fire rating is high, to the selection of refractory masonry cement, refractory cement refractoriness of fireclay than about 500 DEG C high.

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