Silicon Carbide Black and Green for Refractory

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0 m.t.
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150000 m.t./month

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Black SiC Specifications

 


Chemical Composition(%)

Chemical Composition(%)

Chemical Composition(%)

SiC

F.C

Fe2O3

SiC99.5

99.3

0.20

0.14

SiC98.5

98.5

0.20

0.60

SiC98

98

0.30

0.80

SiC97

97

0.30

1.00

SiC95

95

0.40

1.00

SiC90

90

0.60

1.20

SiC70

70

3


SiC65

65

5


SiC60

60

10


SiC55

55

10


SiC50

50

10


  

Green SiC powder specifications


 

Grade

 

Size Distribution(µm)

Chemical Composition

D0 Max

D3 Max

D50 Median

D94 Min

SiC≥

F·C≤

Fe2O3≥

#360

86.0

66.0

35.0±2.0

23.0

99.0

0.12

0.12

#400

75.0

58.0

30.0±2.0

20.0

99.0

0.12

0.12

#500

63.0

50.0

25.0±2.0

16.0

99.0

0.12

0.12

#600

53.0

43.0

20.0±1.5

13.0

98.90

0.13

0.13

#700

45.0

37.0

17.0±1.3

11.0

98.90

0.13

0.13

#800

38.0

31.0

14.0±1.0

9.0

98.80

0.14

0.14

#1000

32.0

27.0

11.5±1.0

7.0

98.80

0.14

0.14

#1200

27.0

23.0

9.5±0.8

5.5

98.80

0.14

0.14

#1500

23.0

20.0

8.0±0.6

4.5

98.70

0.15

0.15

#2000

19.0

17.0

6.7±0.6

4.0

98.70

0.15

0.15

#2500

16.0

14.0

5.5±0.5

3.0

98.70

0.17

0.17

#3000

13.0

11.0

4.0±0.5

2.0

99.30

0.03

0.03

#4000

11.0

8.0

3.0±0.4

1.3

99.30

0.03

0.03

#6000

8.0

5.0

2.0±0.4

0.8

99.30

0.03

0.03

#8000

6.0

3.5

1.2±0.3

0.6

99.30

0.03

0.03

#10000

4.0

1.2

0.6±0.1


99.30

0.03

0.03



Our Services

 

1.      Professional machine produce qualitied goods.

2.      Professional worker gurantee finish production on time.

3.      Professional transport term gurantee safe transport.

4.      Professional sales team supply satisfied services.


Packaging & Delivery

Packaging Details: 25kg per small bag in jumbo bag or as customer's demand

Delivery Detail: Within 15 days after receipt of prepayment 

Pictures


Silicon Carbide Black and Green for Refractory

Silicon Carbide Black and Green for Refractory

Silicon Carbide Black and Green for Refractory

Silicon Carbide Black and Green for Refractory




  



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Q:What are included in fireproofing materials?
Incombustible material of construction fire-proof material Grade A: Cement, stone, steel, coat, glass, aluminium alloy, ceramic tile, etc.; nonflammable material Grade B1: Fireproof panel, rock wool.
Q:What is the most reasonable drying heating curve of magnesia refractories? Products of less than 0.5T
The material is very troublesome, it might crack horrendously if not baked well and all of them may be scraps after being took out from the furnace. Magnesia hydration is inevitable during the baking process. As volume expansibility of magnesite reaches 200%, so it is easy to crack. The key to bake is to quickly rule out the water vapor in furnace, especially within 150 degrees Celsius. After quickly ruling out the water vapor in furnace to avoid excessive reaction with magnesia of 150 degrees, it can be operated in accordance with convention. In addition, you should pay attention to the heat sources, for which i recommend electrical and coke to avoid generating a lot of water vapor during the natural gas combustion process which will worsen the situation.
Q:What are the raw materials of refractory concrete ?
Q:what kind of fireproof materials is used for high rise buildings?
First, fire resistance steel door: in the general real estate, developer uses more of fire resistance steel door. The mid-low-end doors are the earliest products and mostly widely used with longer servce time. The disadvantages are corrosions, thus it will rust, fade after being used for a while, and will affect the overall appearance. Styling lines are hard, not matching well with modern home decorative styles. Second, the stainless steel fire doors: anti-theft performance ,durable, stronger security. Compared to the general iron or mixed iron and steel security doors, stainless steel doors never rust and most importantly its uniqueness in addition to lasting bright color. Disadvantages: Stainless steel security doors are mostly silver, giving us dull feelings by seeing its appearance and color, lack of coordination. Third, glass fire door: high quality fire glass doors. recent years have seen wide application in office buildings and some high end public place, less in individual users. Compared to the current categories of timber, fire glass door is not only simple and luxury and durable.
Q:Does the external wall thermal insulation materials level b1 need the fire barrier zone?
First, the cotton fire barrier zone "rock wool board" mainly uses water-repelling rock wool board produced by pendulum method as thermal insulation layer materia, and connecting and fixing base wall by binding and nail bonding, it is composed level A non-combustible building energy efficiency thermal insulation system by plastering layer composed by plastering mortar and glass fiber mesh and decorative mortar finishing layer or coating. Rock wool board exterior insulation system, low thermal conductivity, good ventilation, combustion performance advantages of higher levels can be used in new construction, expansion, renovation of residential buildings and public buildings energy-saving exterior wall insulation works, including exterior insulation, fire Barrier non-transparent wall insulation and EPS external thermal insulation system. The introduction of main level A fireproofing EIFS on the present market (The following text is selected from China Building Standard Design and Research Institute " external wall thermal insulation building construction" Standard No. 10J121) Second, the foam concrete fire barrier zone 1. It is very green without the release of irritant and harmful gases; no mineral cotton floats do harm to human skin and the respiratory tract; production of toxic gases is security level (AQ1), there is no harmful gas and waste emissions and less carbon emissions; it exist not duplicate insulation demolition waste to pollute the environment.
Q:What's the fire retardant material of roller shutter fire resistance door ?
It is composited by inorganic materials, and main componets are perlite and inorganic adhesive, etc.
Q:What is the mechanism of the errosion of the iron to the refractories?
For example, the effect of the iron oxide: Mo corundum given temperature Fe2O3 solid solubility limit of the solid solution formed of corundum stone high solubility than the solid solution Mo Mo corundum lattice shape so Fe2O3Al2O3-SiO2-based material starts melting temperature of the system or the content of Al2O3 and Al2O3 / SiO2 ratio off Al2O3 / SiO2 & lt; 2.55 starting melting temperature of 1380 ℃ when Al2O3 / SiO2 & gt; 2.55 start melting temperature is increased 1460 ℃ and with its Al2O3 content increased gradually to increase the original atmosphere Fe2O3 original FeO off the solvent into the glass phase and the system starts melting temperature drops do not fall to 1240 ℃ 1380 ℃. Lower the melting point, increase the erosion, and reduce the life span.
Q:What requirements should refractory materials meet?
Ladle is an necessary equipment to undertake molten steel and continuous casting. As many kinds of steel needs to be processed in the ladle, including argon blowing tempering, alloy composition fine-tuning, refining dusting and vacuum processing, working conditions of the ladle lining have worsened. Their working conditions are as follows. (1) The temperature of molten steel is higher than mold casting ladle. (2) the molten steel stays longerin the ladle. (3) ladle lining are subjected to volatilization and agitation of molten steel under high temperatures and in vacuum. (4) The impact on the lining when undertaking steel liner when the impact effect. Therefore requirements of the ladle refractories are as follows: (1) It can resist high temperature. Molten steel should be able to withstand high temperatures without melting. (2) It can resist thermal shock and can withstand molten steel without cracking and spalling. (3) It can resist slag erosion. The ladle should be able to withstand the erosion of lining caused by slag and alkalinity changes of slag. (4) it should have sufficiently high temperature mechanical strength to withstand the agitation and scouring of molten steel. (5) lined should have certain swelling property so that lining will be united as a whole under the effect of hyperthermal molten steel.
Q:How much is the duration of fire resistance of the porous brick shale?
The duration of fire resistance of the porous brick shale could reach 1,580℃—1,770℃. It is predominantly applied in coke oven masonry and building, glasses, porcelains, carbon calciner, and the vault of thermal furnuces of refractory bricks as well as other load-bearing elements, and high temperature bearing parts of cowper stove. But it should be aware that it can’t be used in thermal equipment below 600℃ and with large variation of temperature.
Q:What type of firebrick does TZ-3 represent?
It is the standard brick.

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