Refractory Firebrick SK36 supplied by CNBM

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Min Order Qty:
1000 pc
Supply Capability:
1000000 pc/month

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Product Description:

Quick Details

Place of Origin:

Henan, China (Mainland)

Shape:

Brick

Material:

Alumina Block

SiO2 Content (%):

40%~43%

Al2O3 Content (%):

55%~58%

MgO Content (%):

0.8-1.2

CaO Content (%):

0.01

Refractoriness (Degree):

1770°< Refractoriness< 2000°

CrO Content (%):

0.1~0.3%

SiC Content (%):

0.00%

Model Number:

SK36

Brand Name:

cnbm

Firebrick SK36 Bulk density(g/cm3)::

≥2.25

Firebrick SK36 Refractoriness(°C):

≥1790

Cold cushing strength (mpa):

≥46MPa

SK36 Firebrick Porosity(%):

<23

efractoriness under load 0.2mpa(°C):

>1450

SK36 Firebrick Na2O+K2O(%):

<2.3

Firebrick Thermal expansion at 1000°C(%):

≤0.3

Reheating shrinkingchange(%) 1500°CX24h:

-0.3

Refractory SK36 Model Number:

DDSK36

Refractory SK36 Brand Name:

DD





Packaging & Delivery

Packaging Details:wooden pallet
Delivery Detail:Shipped in 15 days after payment

Factory supply refractory firebrick  SK36

 

Category of Refractory Brick/Fire Brick:

 

a) According the made method, it can be divided into burnt brick, unburned brick, and electric smelting brick.

b) According the shape and size, it can be divided into standard brick, general brick and abnormal shape brick.

c) According the content of the Al2O3, it can be divided into fire clay brick and high alumina firebrick.

 

Firebrick SK36 Index

 

Item

SK38

   SK37

SK36

SK34

Al2O3  %

≥75

≥65

≥55

≥48

Cold crushing strength ,MPa

≥54

≥49

≥44

≥40

Apparent porosity  ,%

≤23

≤23

≤22

≤22

Refractoriness under load , °C

≥1520

≥1500

≥1470

≥1420

Reheating linear change (1500°C,2h) %

+0.1-0.4

+0.1-0.4

+0.1-0.4

(1450°C,2h)+0.1-0.4

Refractoriness  °C

>1790

>1790

>1770

>1750

Refractory Firebrick SK36 supplied by CNBM

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Q:How to reduce the harm caused by two times mullite in high alumina refractory material
Prolong the sintering time and adjust the aluminum content of the high alumina brick.
Q:How many cubic bricks does a high alumina brick have?
Different content of aluminum, different proportion, weight is not the same. General grade T3 standard brick, 4.3~4.5kg, aluminium content 75. T3 size 230*114*65mm.
Q:How does the physicochemical index change when the high alumina brick is used at high temperature?
When the high alumina brick is used at high temperature, the physical and chemical indexes and other constants will not change if the temperature is in the physical and chemical indexes and the softening temperature of the load.
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:What is the standard size of high alumina brick?
The country has laid down a number of criteria for the use of refractory bricks to unify market demand.
Q:What's the difference between high alumina refractory bricks and high alumina refractory bricks?
The chemical pH value of high alumina refractory brick belongs to neutral and alkaline refractory brick, and clay refractory brick belongs to neutral and acid refractory brick.
Q:How to distinguish the good or bad of the high aluminum brick?
The general high alumina bricks used in the steel, steelmaking, hot blast furnace, electric furnace, blast furnace, reverberatory furnace, rotary kiln lining of industrial furnace in China, mainly composed of a bauxite; sillimanite minerals (including kyanite, andalusite, sillimanite etc.); synthetic material, such as alumina synthesis of mullite, corundum, etc.. High aluminum brick has good quality, high refractoriness, long life and other characteristics, is the main use of refractory brick kiln products, commonly used units can not distinguish the quality and grade of high aluminum brick right in the procurement time, caused by the high prices to buy low grade products, thereby reducing the furnace life therefore, Zhengzhou's Sindh yuan refractory material factory in here is simple to introduce how to identify the quality when purchasing brick high alumina brick.Color: in the purchase of high alumina brick, first of all to see the color, high quality aluminum brick surface smooth, yellow color white, four sides smooth, no broken angle, no cracksWeight: the weight of a block of bricks to be called, according to the standard weight level, high aluminum brick weight of 4.5 kg. Two grade high alumina brick weighs 4.2 kg, three high aluminum brick weighs 3.9 kg, the same level, the same parameters can reach this standard can be regarded as high-quality high aluminum bricks, the opposite is not up to the weight that the quality is good, if there is a crack, four angle uneven, off angle phenomenon, then substandard products, some of the above points to help to the purchaser
Q:How much is one ton / ton of high alumina refractory brick?
The price of high alumina refractory bricks is not equal, according to the quality index of GB2988-2012
Q:What is the high temperature limit of refractory bricks and refractory soil?
Refractory bricks are stone powder and clay paste. They are fired in a kiln of 1300 degrees. The upper limit is 1500 degrees above normal pressureRefractory bricks - refractory materials of a specified shape and size.
Q:How high can aluminum bricks expand at 80O degrees of heat?
When an object is heated, the particle moves faster and thus occupies additional space. This phenomenon is called dilation.

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