professional manufacturer for high alumina bubble refractory bricks

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
2000 pc
Supply Capability:
8000000 pc/month

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Product Description:

Physical and chemical index:

Item

AKZ-85

AKZ-90

AKZ-99

Chemical composition

Al2O3

≥85

≥90

≥99

SiO2

≤13

≤8

≤0.2

Fe2O3

≤0.5

≤0.5

≤0.5

Apparent Porosity%

58-62

58-62

58-62

Bulk Density g/cm3

1.4-1.7

1.4-1.7

1.4-1.7

Cold Crushing Strength Mpa

≥12

≥10

≥9

0.1Mpa Refractoriness Under Load T0.6 °C

≥1650

≥1700

≥1700

Permanent Linear Change On Reheating

(%)1500°CX2h

±0.3

±0.3

±0.3

20-1300°C Thermal Expansion  % (x 10-6)

0-7.8

0-8.0

0-8.6

Thermal Conductivity(Average 800°C) W/(M.K)

≤0.8

≤1.3

≤1.5

Max Service Temperature °C

1680

1700

1800

 

Packaging & Shipping

 professional manufacturer for high alumina bubble refractory bricks

Quick Details

Place of Origin:

Henan, China (Mainland)

Shape:

Block

Material:

Alumina Block

SiO2 Content (%):

8

Al2O3 Content (%):

90

MgO Content (%):

0

CaO Content (%):

0

Refractoriness (Degree):

Common (1580°< Refractoriness< 1770°)

CrO Content (%):

0

SiC Content (%):

0

Model Number:

AKZ-85 90 99

Brand Name:

cnbm

Name:

high alumina bubble refractory bricks

size:

any size

Item:

AKZ-90

Al2O3:

90

SiO2:

8

Fe2O3:

0.5

Apparent Porosity%:

58-62

Bulk Density g/cm3:

1.4-1.7

Cold Crushing Strength Mpa:

10

0.1Mpa Refractoriness Under Load T0.6 °C:

1700





Packaging & Delivery

Packaging Details:Wooden pallet or as the customer's requirments
Delivery Detail:30 Days


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Q:Is glass wool inorganic thermal insulation material?
Yes, glass wool belongs to one kind of glass fiber. It is a kind of man-made inorganic fiber. Therefore, in the field of thermal insulation materials classified as inorganic insulation materials.
Q:How to test the aluminium bricks of high alumina refractory bricks?
Forming high alumina brick will be tested on some professional equipment, it is suggested that you can go to the professional testing department to know about it!
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:How are the high alumina bricks fired?
Generally, the high alumina bauxite is added with a small amount of clay. After being ground, the gas is injected and shaped in the form of slurry by the way of gas attack or foam, and it is burnt at 1300~1500 DEG C. Sometimes industrial alumina can be used to replace part of bauxite clinker. Used for lining and thermal insulation of masonry kilns, as well as for areas where there is no high temperature, high melting material erosion and erosion effects. When touching the flame directly, the touch temperature shall not be higher than 1350 degrees.
Q:Which is better, the soft core or the hard core?
The use of each of the single core copper wire with low line, 1.5 square with cap line home, socket 2.5 square, air conditioning to walk alone line 4 square can, when the terminal box into a socket with leakage protection switch, prevent overload and short circuit.
Q:Can high alumina brick resist carburizing?
The resistance to carburization is not directly related to the bulk density of bricks
Q:What is the heat preservation material used in a laboratory furnace?
Asbestos, high alumina brick, or carbonized silicon are often used.Thermal insulation materials are generally used to guide heat coefficient less than or equal to 0.2 of the material. Thermal insulation material development is very fast, and in industry and building the use of good insulation technology and materials, often can get twice the result with half the effort. Each ton of mineral cotton insulation used in the building saves one ton of oil a year.
Q:Which is faster for heat transfer between corundum bricks or high alumina bricks?
There must be a difference. They vary in color from the amount of aluminum, the weight, the temperature, and the color.
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 are the grades of high alumina bricks?
According to the size of high aluminum brick is divided into: standard brick, special-shaped brick.

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