Dolomite Brick CNBM Made in China Good Quatliy

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Loading Port:
Shanghai
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TT OR LC
Min Order Qty:
5000 m.t.
Supply Capability:
5000 m.t./month

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Product Description:

Specifications

  1. Low creep under high tempereature
    2.High refractoriness under the load
    3.Less pollution
    4.ISO 9001


  2. Function:


    Dolomite is a carbonate mineral comprised of magnesium and calcium. Dolomite isn't a fertilizer, but a soil conditioner that's used to "sweeten" acidic soils and make them more alkaline. Because dolomite is particularly slow-acting, it must be added to the soil well in advance of planting to gain the desired benefit. Powdered dolomite lime can also be mixed into a nutrient rich fertilizer blend so that you can enrich the soil and correct its pH at the same time..

Index

MG15

MG20

MG25

MG30

MG40

MG50

MgO / %

80.3

76.3

70.3

66.3

56.3

43.3

CaO / %

17

21

27

31

41.0

54

Al2O3/%

0.5

0.5

0.5

0.5

0.5

0.5

Fe2O3/%

0.7

0.7

0.7

0.7

0.7

0.7

SiO2 /%

1.3

1.3

1.3

1.3

1.2

1.3

Bulk density/g.cm3

3.03

3.03

3.03

3.03

3.0

2.93

Apparent porosity/%

13

12

12

13

13

12

Crushing Strength/MPa

80

90

80

80

80

70

Reheating linear change /%

-0.35

-0.61

Refractoriness under load/℃

1700

1700

1700

1700

1700

1700

Thermal Expansion/%

800℃

1200℃

1600℃

0.8~1.0

1.35~1.6

1.8~2.0

0.8~1.0

1.35~1.6

1.8~2.0

0.8~1.0

1.35~1.6

1.8~2.0

0.8~1.0

1.35~1.6

1.8~2.0

0.8~1.0

1.35~1.6

1.8~2.0

0.8~1.0

1.35~1.6

1.8~2.0



Characteristics

    High content of Mg and N enables increasing yield and health of plant

    Soluble in water can help aborption of crops

    Good hardness

    Low powder

 

Advantages for application

    Used as direct ground application fertilizer or used mixed with other fertilizer such as BB fertilizer.

    Clean and better for environment

    Easy to apply

 

Transport and storage

    Low moisture content enables long-term storage

    Good hardness enables convenient transportation..



Dolomite Brick CNBM Made in China Good Quatliy

Dolomite Brick CNBM Made in China Good Quatliy


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Q:What's the weight of the refractory bricks?
Fireclay refractory bricks: 3.4kg-3.8kg - according to the quality of raw materials, prices ranging from 1 yuan to 2.7 yuan, high alumina refractory brick: three, high aluminum in 3.9kg or so. Ordinary T-3 firebrick weight calculation method: 230*114*65*2.2/2.1.
Q:How to test the aluminium bricks of high alumina refractory bricks?
Before making bricks, the raw materials are usually tested and tested to see if the aluminum content is up to standard
Q:What are the lining structures of lime rotary kilns and what are the requirements for refractories?
The current configuration of domestic calcining active lime rotary kiln refractories are as follows: the discharge end of low cement high alumina castable with 3% steel fiber; the cooling zone and the firing zone: dry magnesia spinel brick with high aluminum brick with high temperature; preheating: high alumina brick; low temperature preheating zone: clay brick light clay brick; feeding end: low cement high alumina castable with 3% steel fiber; in addition, brick size also have the corresponding requirements; dimensional tolerances: dimensional tolerances used in different parts of the requirements are not the same, the general control in 2mm; corner damage: general permit edge damage 40mm and 5mm deep within angle loss in the hot and cold surface is allowed to have only one, three edges and the length of not more than 50mm; there are cracks parallel to the use of surface crack is not allowed, cracks of brick surface are allowed.
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 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:The difference between clay bricks and clay bricks
Sintering bricks do not have clay bricks, so sintering bricks are made of stone. Clay brick is clay cooking, two yo, qualitative difference, but the appearance and color almost, but the quality is very different, life expectancy is also a great gap.
Q:Introduction of high alumina brick
High alumina brick is one of refractory materials. The main component of this kind of refractory brick is AL2O3. If the content of Al2O3 is higher than 90%, it is called corundum brick. Because of the different resources, the standards of different countries are not identical. For example, European countries limit the content of Al2O3 to high alumina refractories by 42%. In China, the content of Al2O3 in high alumina brick is usually divided into three parts: I, etc. - Al2O3 content, >75%, II, etc. - Al2O3 content is 60 ~ 75%, and the content of Al2O3 is 48 ~ 60%.
Q:What are the high temperature refractory mortars made of?
Products used in metallurgy, building materials, machinery, chemical, power industry, industrial thermal furnace, for masonryBuilding clay brick, high alumina brick and corundum brick have the characteristics of full grey seam, good airtightness, high bonding strength, high temperature performance and suitable construction time
Q:What's the price of high alumina refractory bricks?
The price of high alumina refractory bricks varies greatly according to the content of AL2O3.
Q:What is the standard classification of high alumina bricks or high alumina bricks?
High alumina brick is one of refractory materials. The main component of this kind of refractory brick is AL2O3. High alumina brick refractory clay brick and brick than refractoriness to high. It belongs to high refractory. High alumina brick Al2O3 more, close to the neutral refractory material, can resist acid slag and alkaline slag erosion, because it contains SiO2, so the ability of alkaline slag resistance than acid resistant slag ability is weaker.According to the number of AL2O3 content is divided into, 55,65, 75,80 and so on several grades.

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