Fused Magnesite Chrome Sinter

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Fused magnesite chrome sinter
1.Low Chrome ,Medium Chrome ,High Chrome
2.high bulk density
3.offer free sample

Fused magnesite chrome sinter

Finished Fused Mag-Chrome is made of high-quality chrome concentrate and high purity magnesite at accurate proportion, adjusting Cr2O3 content from high chrome to low chrome, in order to achieve low impurity content and high bulk density, as well as meet different needs. after molding into brick with our clincker, it is widely used in secondary refining device for RH,VOD,AOD and non-ferrous metallurgical furnace.

High Chrome (Cr2O3  32-99%)

Specification(%)

               

SiO2                 (max)

Fe2O3                      (max)

MgO     (min)    

Cr2O3       (min)  

B.D.      (min)

Cr  32

1.2

11.5

45

32

3.75

Cr  36

1.2

13

40

36

3.80

Cr  83

0.5

0.5

18

77-83

Cr  99

0.5

0.5

0.5

98.5

Medium Chrome (Cr2O3 20-30%)

Specification

(%)

       

SiO2(max)        

Fe2O3(max)          

Al2O3(max)          

CaO(max)        

MgO(min)        

Cr2O3(min)        

B.D.(min)        

Cr20      

1

11.5

5-7

1.2

58

20

3.70

Cr20

1

8

5

1.2

65

20

3.65

Cr25

1.2

10

6

1

55

25

3.70

Cr30

1.2

11

6

1

50

30

3.70

Low Chrome (Cr2O3  14-18%)

Specification

(%)

SiO2(max)      

Fe2O3(max)        

Al2O3(max)          

CaO  (max)        

MgO(min)        

Cr2O3(min)        

B.D.          

Cr14            

1

6

4

1.2

75

14

3.60

Cr16

1

6.5

5

1.2

70

16

3.65

Cr18

1

8

6

1.2

65

18

3.65

Cr18

1

11.5

7

1.2

60

18

3.70

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Q:How to make use of waste refractory materials whose main elements are alumina and mullite?
Crushing and pressing refractory bricks, or refractory parts . Such as welding positioner tracks use disposable tools.
Q:can slag tailings be used to be the base materials of refractory materials ?
the rest of it can be used as refractory additives. the scale currently used clay bricks to make high-temperature liquid. It is easy to produce large amounts of liquid because of the high iron content, instead of its refractoriness. But it can be used as refractory minaralizer.
Q:How many kinds of A-level fireproof and thermal insulation materials are there?
Shenyang polystyrene board, extruded sheet, polystyrene particles, and polystyrene plastic plates...
Q:Refractory factory grinding brick dust harmful to the body?
Therefore, in the workshop work must pay attention to do their own protection.
Q:What is the classification standard of fireproofing material levels?
Standard: Class A: Incombustible building material, almost without burning. class A1: Non-combustible, no open flame,class A2: Non-combustible,it needs to measure smoke and be qualified. Class B1: Nonflammable building material: Nonflammable materials have good flame resistance function. when it contacts open fire or is under high temperature, it's difficult to burn and be spreading rapidly, and will stop burn after removing the combustion source. Class B2: Combustible building materials: Combustible materials have good flame resistance function. when it contacts open fire or is put in the air at high temperature, it will immediately burst into flames, and easily result in the spreading of fire, such as wooden column, timber roof truss, timber beam, wooden stairs, etc. Class B3: Inflammability building materials, without any flame resisting effects, easy to burn, and has large danger of fire disaster.
Q:What are the characteristics of magnesium fireproof plate
Features: Glass magnesium plate is high temperature resistant, sound absorbing, and capable of preventing water, pests, dampness, corrosion, poison, pollution. Paint can directly be applied to the surface of the plate. Air nails are usable for the plate, to which ceramic tile can also be applied with good pigmentation. The plate is easy to decorate, has high strength, good flexibility when bending, and can be nailed, sawed, glued It can also be made into thermal insulation materials with a variety of compround composite insulation plate. Characteristic: Magnesium plate glass is high temperature resistant, sound absorbing, and capable of preventing water, pests, dampness, corrosion, poison, pollution. Paint can directly be applied to the surface of the plate. Air nails are usable for the plate, to which ceramic tile can also be applied with good pigmentation High strength, flexibility when bending, convenient for decoration. It can be sawed, nailed, and glued.
Q:What are the use of fire-resistant material and admixture?
Generally speaking, there are several admixtures: 1. Water reducing agent. It can ensure basic refractory castable flow value and significantly reduce its water mixing amount sodium hexametaphosphate and sodium tripolyphosphate 2. Plasticizer. It can increase plastic refractory mixture and enhance the ability of bentonite clay mud material stress strain 3. Gelling agent. It can make the colloidal solution (or suspending liquid containing solid particles condensed gelling agent 4. Dispergator. It can turn condensation or reunion colloidal particles (particles) into sol or uniform dispersion suspended particles and make the thick colloid free stream sol said scattered coagulant peptizer 5. Coagulant. It can shorten the stereotypes refractories condense sclerosis NaOH Mars between aluminum hydroxide, etc. 6. Retarder. It can delay the stereotypes refractories condense sclerosis between citric acid tartaric acid, etc. 7. Delayed coagulant. It can make setting fire-resistant materials contain binder by set out the condensation hardening effect between calcium aluminate cement, etc. 8. Foaming agent. It can reduce the liquid surface of power to produce uniform stability as rosin soap bubble resin fat saponin and so on. 9. Antifoaming agent. It can make fast setting fire-resistant material mixing or shock in produce bubbles escape alcohol fatty acids, such as 10. Shrink agent can reduce or prevent the refractory materials used to produce contraction type heating said silicon powder stabilizer or volume expansion agent, etc. 11. Preservative. It can keep setting fire-resistant material stored on construction performance change or change oxalic acid citric acid, etc. 12. Inhibitors. It can inhibit stereotypes refractories ingredients contain iron or iron compounds and acidic reaction caused inflation to produce hydrogen bond CrO3 diacetone alcohol, etc. I hope it can help you.
Q:How long is the duration of fire resistance that fireproof window of level B can endure?
Fire proof window of level B is the fire proof window whose duration of fire resistance is not less than 1 hour.  Technical requirements: One, Materials and fittings (1) the frame of windows draw on steel or wood frames which have certain intensity and are able to ensure the integrity and stability of components.  (2) Steel frame and layering can use galvanized steel or stainless steel plate. Its selection criteria shall be in line with provisions 5.1 of GB12955< steel fire door general technical conditions >. (4) The internal fillings of steel, wood frames should use non combustible materials. (5) Fire proof windows can opt for qualified products without affecting the performance of fire proof window. Light transmittance of glass shall not be less than 75% of the same layer of ordinary flat glass.  (6)The sealing material between the frame and the fireproof glass should adopt the nonflammable materials, functioning as the fire blocker. (7)Hardware fittings should be tested for qualified products.
Q:Why do magnesium oxide refractory bricks can be made into refractories?
Nature: It is loose white powder and tasteless. When exposed to the air, it is easy to absorb moisture and carbon dioxide. It is dissolved in acid and ammonium salt and insoluble in water and ethanol, with the melting point of 2800 and the boiling point of 3600. The magnesium oxide has high fire-resistance insulation properties, with high melting point . It can be said to be non-combustible materials.
Q:Does refractory belong to stone, building materials or other?
It belongs to metallurgy and building material industries.

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