High strength, low thermal conductivity High Alumina insulation firebrick for Kiln

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
1000 pc
Supply Capability:
10000000 pc/month

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Product Description:

Quick Details

Place of Origin:

Henan, China (Mainland)

Shape:

Block

Material:

Alumina Block

SiO2 Content (%):

customized

Al2O3 Content (%):

customized

MgO Content (%):

customized

CaO Content (%):

customized

Refractoriness (Degree):

Common (1580°< Refractoriness< 1770°)

CrO Content (%):

customized

SiC Content (%):

customized

Model Number:

STA-000123

Brand Name:

CNBM

AL2O3%:

48

Fe2O3%:

2.0

Densityg/ cm³ ≤:

1.0/0.9/0.8/0.7/0.6/0.5

Compressive strengthMpa≥:

4.0/3.5/3.0/2.5/2.0/1.5

linear change on reheating:

1400C/1400C/1400C/1350C/1350C/1250C

thermal conductivity350°C±25 °C W/m.k:

0.50/0.35/0.35/0.30/0.25/0.20

Packaging & Delivery

Packaging Details:Polythene-foamed sheet bag and wooden case and wooden pallet or pack as customer's requirements.
Delivery Detail:about 30 days

High strength, low thermal conductivity High Alumina insulation firebrick

 

 

 This product uses high-grade hollow ball and alumina as the main raw materials, made by high temperature sintering. With features of High strength, low thermal conductivity, suitable for 1400°C below’s furnace insulation and lining.  

 

 

Chemical properties

 


Lg-1.0

Lg-0.9

Lg-0.8

Lg0.7

Lg0.6

LG0.5

AL2O3%

48

Fe2O3%

2.0

Densityg/ cm³ 

1.0

0.9

0.8

0.7

0.6

0.5

Compressive strengthMpa≥

 

4.0

3.5

3.0

2.5

2.0

1.5

 linear change on reheating≤2%×2h 

Lab Temperature °C

1400

1400

1400

1350

1350

1250

thermal conductivity350°C±25 °C  W/m.k

0.50

0.35

0.35

0.30

0.25

0.20

High strength, low thermal conductivity High Alumina insulation firebrick for Kiln


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Q:What causes breakage of refractory bricks?
There are many factors that lead to the damage of refractory brick, can be divided into: the chemical loss (e.g. salt penetration, redox phenomenon), heat loss (burning, thermal shock), mechanical loss (kiln deformation, thrust, brick masonry quality etc.).
Q:What is the price of the first grade high alumina brick?
The specifications and different prices, relatively large fluctuations of the main push of the refractory Dongxin high alumina brick high alumina brick prices generally around 3000 have various levels of Dongxin refractories
Q:How much is the bending temperature aluminum silicon carbide brick for torpedo car
High alumina brick is made of superfine alumina, fused corundum and fused mullite as main refractory materials.
Q:In 2016, a few of the traditional refractory materials will be able to survive
The other is in large enterprises and individual has the unique advantage of the small enterprises, with independent technology system, production equipment advanced, there are certain funds set up to deal with risk, timely reform, such enterprises compared to a few years ago the productivity and sales or have declined, but overall is still in the stage of production increased steadily.
Q:How does the physicochemical index change when the high alumina brick is used at high temperature?
If the range of softening temperature exceeds the load, the constants of other physical and chemical indexes will also increase or decrease.
Q:The difference between clay bricks and clay bricks
According to the hole rate: solid brick (no hole or hole rate less than 25% bricks), porous brick (hole rate is equal to or greater than 25%), the size of the hole is small and the number of bricks, usually used in load-bearing parts, higher strength level. Hollow brick (hole rate equal to or greater than 40%, large pore size and small amount of brick, commonly used in non load parts, low strength grade).Solid bricks and porous bricks are mostly used for load-bearing structural walls. Hollow bricks are mostly used in non load bearing structures.
Q:Introduction of high alumina brick
Made from alumina or other raw materials of high alumina content; formed and calcined. High thermal stability, fire resistance above 1770. Slag resistance is good, used for masonry steel smelting furnace, glass furnace, cement rotary furnace lining.
Q:What is the price of the latest thermal insulation material?
There are many kinds of insulation materials, and the price will fluctuate with the market. Small quantities of inquiry or procurement, then go directly to the local thermal insulation market, a wide variety of prices are basically the market price.
Q:What is the difference between metal compounds and metal solid solutions?
Solid solution refers to the alloy phase in which the solute atoms are dissolved into the solvent lattice and remain solvent type. A crystalline substance consisting usually of atoms or molecules in which a chemical substance is dissolved as a base; other substances are found in alloys and silicate systems; also present in polyatomic substances. The mixture can be treated as a solution when the crystal structure of the solvent can be stabilized and homogeneous after addition of solute. Some mixtures can form solid solutions in many concentrations, while some mixtures do not form solid solutions at all.
Q:What is the difference between corundum and high alumina??
The main component of high purity 99 corundum brick is corundum sand,90 corundum brick is mainly composed of corundum sand and a small amount of Suzhou soil, mullite.

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