High alumina brick,bauxite brick,bauxite refractory brick

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2000 pc
Supply Capability:
8000000 pc/month

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Product Description:

Quick Details

Place of Origin:

Shandong, China (Mainland)

Shape:

Brick

Material:

Bauxite,alumina,corundum

Al2O3 Content (%):

48-85

Refractoriness (Degree):

1770°< Refractoriness< 2000°

Model Number:

230*114*65mm

Brand Name:

CNBM





Packaging & Delivery

Packaging Details:On wooden pallets with plastic films cover

High alumina brick,bauxite brick,bauxite refractory brick

Characteristics:

1. High refractoriness.

2. Good spalling resistance and wear resistance.

3. Good corrosion resistance.

4. Good thermal shock resistance.

5. High mechanical strength.

6. High-temperature creep rate is low.

Physical and chemical index:

Item/Grade

Index

ZYC-48

ZYC -55

ZYC -65

ZYC -75

ZYC -80

ZYC -85

 AL2O3 % (≥)

48

55

65

75

80

85

Refractoriness °C (≥)

1760

1770

1790

1790

1820

1850

Refractoriness under load, 0.2MPa, °C (≥)

1420

1450

1500

1550

1580

1600

Permanent linear Change %

1500°C ,2h


0.1-0.4

1450°C ,2h

0.1-0.4


Apparent porosity % (≤)

22

22

23

23

22

23

Cold crushing strength Mpa (≥)

40

45

50

55

60

70

 

Application:

High alumina brick is widely used for Widely used in blast furnaces, Hot Blast Stove,Steel ladle lining, Reheating furnace, Cement kiln,Tunnel kiln,boiler, coke oven, carbon furnace,glass kiln , Steel smelting furnace and various kiln lining and thermotechnical equipment, etc.

High alumina brick,bauxite brick,bauxite refractory brick

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Q:What are the characteristics of high alumina bricks?
A neutral refractory with an alumina content of more than 48%. Made from alumina or other raw materials of high alumina content; formed and calcined.
Q:What are the grades of high alumina bricks?
High alumina brick according to the aluminum content is generally divided into: super high alumina brick, a high aluminum brick, two high alumina brick, three high alumina brick
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:What are the requirements for Rubble backfill height?
1, filling thickness is not greater than 50cm.2, filling, the use of layered filling.
Q:High alumina brick 80 with which high aluminum cement?
Which kind should be chosen should be determined according to the conditions of use, life expectancy and cost control. By the way, the quality of masonry is also very influential.
Q:What are the reasons for the decline in the performance of high alumina bricks when we use high alumina refractory bricks?
The brick Pei boring and time. 6, Pei brick kiln installed between the brick and the brick Pei order, Pei and kiln top, kiln wall gap etc.. 7, high alumina brick kiln plan, and the lack of edges and corners of the scene should be avoided.
Q:What are the requirements for refractory materials in heat treatment furnace?
The structural strength of high temperature is evaluated by loading softening point. Load softening point is that under certain pressure (2 kg/ cm 2 = 0.2MPa) under the condition of heating rate to heating, measured the sample deformation (deformation for the original sample 0.6%) temperature. This temperature is called the softening point of the refractory. Sample size is Phi 36 x 50mm.
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 fireproof concrete?
Silicate fireproof heat-resistant concrete using temperature can reach 700 DEG ~800 DEG, the main mechanism of its heat is dehydrated calcium hydroxide silicate hydrates series of cement clinker under high temperature, the calcium oxide and slag and mixing activated silica material in the three and two aluminum oxide and the reaction of anhydrous calcium silicate and anhydrous aluminum acid calcium has strong heat resistance, the fire resistance of concrete is a certain. Such as the use of high alumina bauxite and broken bricks, magnesia brick and magnesia for fireproof heat-resistant concrete materials with the highest using temperature can reach 1100 DEG C.
Q:What's the weight of the refractory bricks?
Referred to as refractory brick. Refractory made from refractory clay or other refractory material. Light yellow or brownish. The utility model is mainly used for laying smelting furnaces, and can withstand high temperature between 1580 DEG C and 1770 DEG C. Also called brick. Refractory material of a certain shape and size. According to the preparation process can be divided into bricks, brick, electric melting brick, refractory insulating bricks (Rong Zhuzhuan);

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