Refractory Mullite Insulation Brick

Ref Price:
$125.00 - 165.00 / m.t.
Loading Port:
Shanghai
Payment Terms:
TT or LC
Min Order Qty:
10 m.t.
Supply Capability:
100 m.t./month

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Product Description:

Quick Details for Refractory Mullite Insulation Brick

Place of Origin:

(Mainland)

Shape:

Brick

Material:

Mullite

SiO2 Content (%):

30%

Al2O3 Content (%):

41%--72%

MgO Content (%):

less

CaO Content (%):

less

Refractoriness (Degree):

Common (1580°< Refractoriness< 1770°)

CrO Content (%):

less

SiC Content (%):

less

Model Number:

GR23,GR26,GR28

Brand Name:


Size:

230X114X75,230x114x65,30x114x75/70,230x114x75/65,etc

Density:

0.6-1.1 g/cm3

Thermal conductivity at 350℃:

0.16-0.43W/m*k

Advantage:

Low thermal conductivity, low thermal capacity, low impurity content

Usage:

All kinds of industrial furnace heat side lining materials

Packing:

plastic film and pallets,wooden box,as request

0.2Mpa refractoriness under load:

1350℃

Compressive strength:

1.1-4.8Mpa

Fe2O3:

less than 1.5%

Al2O3:

38-79%






Packaging & Delivery

Packaging Detail:plastic film and pallets,wooden box,carton,As requested
Delivery Detail:within 30 days after get your order


Specifications

1.Light weight insulating brick Al2O3:38-79% 
2.B.D:0.6-1.1g/cm3 
3.Fe2O3:less than 1.5% 
4..CCS:1.1-4.8Mpa

 refractory mullite insulation brick

 

Product Description

 Product information:                                                                                

Light weight insulating mullite brick

 

Feature:

1.Low thermal conductivity, low thermal capacity, low impurity content

2.High strength

3.Good thermal shock resistance, Corrosion atmosphere resistance

4.High dimensional accuracy

5.Low reheat shrinkage

Usage:

1.All kinds of industrial furnace heat side lining materials, such as: annealing furnace, carbide furnace, tempering furnace, refining furnace, furnace, roller kiln, tunnel kiln, etc.

2.The backing insulation materials for various kinds of industrial furnace.

3.Reducing atmosphere furnace.

Products data:

Item

GR-23A

GR-23B

GR-26A

GR-26B

GR-28A

GR-28B

GR-30A

GR-30B

GR-32A

GR-32B

Al2O3,%

38

42

50

54

62

65

72

73

79

79

Fe2O3,%

1.5

1.5

1.0

1.0

0.9

0.9

0.8

0.8

0.7

0.7

Bulk density,

kg/m3

600

800

800

800

800

900

900

1000

1000

1100

Reheat linear

 change,%

1260x3h

0.6

1300x3h

0.5

1370x3h

0.6

1400x3h

0.6

1700x3h

0.8

1500x3h

0.8

1530x3h

0.8

1550x3h

0.8

1570x3h

0.8

1600x3h

0.8

CCS,Mpa

1.1

2.0

2.4

2.4

2.8

3.3

3.5

4.0

4.5

4.8

Thermal expansion

(1000),%

0.5

0.5

0.5

0.5

0.55

0.55

0.58

0.58

0.60

0.60

Thermal conductivity

(350)W/m*k

0.16

0.24

0.25

0.25

0.28

0.33

0.35

0.39

0.40

0.43

Refractory Mullite Insulation Brick

Refractory Mullite Insulation Brick

Refractory Mullite Insulation Brick

 

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Q:Manufacture of various refractory magnesia brick mainly comes from Magnesium Oxide, what kind of ore?
Manufacture of various refractory magnesia brick Magnesium Oxide, mainly from magnesite.
Q:What is the ratio of magnesia refractory bricks to brine? For example, what is the difference between the 97 and 95 with 92 brick brick brick material mixed with brine ratio?
Different grades of burned magnesia brick is mainly made of magnesia binder with different taste, there is not a big difference. However, the physical and chemical properties of binders should be controlled well!
Q:The index of magnesia brick
indexMGe-20 MGe-16 MGe-12 MMGe-8 DBMK-A DBMK-B DBMK-C MgO≥(%) 40 45 55 60 80 80 80 Cr2O3≤(%) 20 16 12 8 6-8 6-8 6-8 SiO2≤(%) --- --- --- --- 2.0 2.5 3.0
Q:High purity magnesia brick masonry mortar for what?
You try a mixture of aluminum phosphate. It itself is the main component of aluminum, which can not cause pollution. We use high temperature electric stove to bond with this.But this 800 degree won't be sintered. It won't sinter until more than 1000 degrees.
Q:How to identify the fused magnesia brick and sintered magnesia brick
Magnesia brick have high refractoriness, alkali slag good performance, high load softening temperature, but poor thermal shock resistance. The sintering magnesia brick brick magnesite as raw material, crushing, proportioning, mixing, forming, in 1550 ~ 1600 degrees firing, high purity products firing temperature is over 1750 DEG C. Don't add chemical bond magnesia brick is appropriate in magnesia, through mixing, molding and drying.
Q:Magnesia brick
Magnesia brick (magnesite brick) basic refractories Magnesium Oxide content of more than 90%, with the main crystalline phase of periclase. General can be divided into sintered magnesia brick (also called burnt magnesia brick) and chemically bonded magnesia brick (also known as the two major categories of not burned magnesia brick). Purity and high firing temperature of magnesia, due to the direct contact of periclase grains, known as direct bonded magnesite brick; made of fused magnesia bricks called electrically fused magnesite brick.
Q:Magnesite chrome brick, magnesia chrome brick indicators? What is the price?.
If you want to know the indicators of chrome brick, magnesia chrome brick must know you are in what furnace above, there is in what position
Q:With different capacitance magnesia brick brick
It has good thermal stability, corrosion resistance and spalling resistance. Widely used in converter, arc furnace and other industrial furnace lining refractory.
Q:How to identify the fused magnesia brick and sintered magnesia brick?
Burnt magnesia brick is made of high quality sintered magnesia as main raw materials, paper pulp as binder. After mixing and high pressure molding, it is fired in a high temperature tunnel kiln over 1550 degrees celsius. It has good thermal stability, corrosion resistance and spalling resistance. Widely used in converter, arc furnace and other industrial furnace lining refractory.Fused magnesia brick brick has compact structure, high mechanical strength, low impurity content, mainly used for the storage of large glass kiln
Q:Combined with the ordinary clay brick and magnesia brick as an example, the existence of impurities in minerals and refractories production main components of the formed liquid relative what affect the performance.
Also known as clay brick brick, is a man-made small bulk building, clay brick clay (including shale, coal gangue powder) as the main raw material, through mud processing, molding, drying and roasting, solid and hollow.

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