Silicon Carbide Black and Green for Refractory

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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:Does anyone know about the fire resistance period of thin fireproof coatings?
The columns are 2.5 to 3.0 hours, beams are 2.5 hours, C-shaped steels are 0.5 hours. The thin steelwork fireproof coatings are primarily water-soluble, which will be expanded and foamed when exposing to the fire. Thus the fire-resistant insulation layer formed through expansion and foaming will delay the temperature increase of the steel and protect of steel components. The thin fireproof coatings are made of adhesives, catalysts, carburizers, foamers, fillers, fibers and modifiers. The required emulsion polymers must have good adhesion, durability, and water-resistance to the steel substrates. The coating has a strong adhesion and good flexibility, is light and thin, as well as highly resistant to vibration. It is especially applicable for indoor bareness steel structure, light layer steel structure, and steel structure with decoration demands whose fire resistance requirement is within 1.5-2.5 hours.
Q:Is there vermiculite in refractory?
Paint, small thermal conductivity, chemical, shipbuilding and other industries. Expanded vermiculite has excellent electrical insulating property, and it is stratified structure. It is a good thermal insulation material used in growing seedings, flowers and trees, bulidings, rubber and smelting. I hope my answer will make you satisfied. Refractory contains crystal water and board between its layers. For example, the interlayer of fireproof door contains expanded vermiculite, and after expansion, its specific gravity is 60-180kg& # 47. Electric insulation material. Expanded vermiculite is widely used for thermal insulation material and sealing material. Of course, some refractory also uses vermiculite; fireproofing material. Vermiculite is a good refractory material, whose maximum using temperature and unit weight can be repsectively up to 1,100 ℃ and 50-200kg/m3. When it is expanded, it is called expanded vermiculite. It is highly thermal insulated. Hard water softeners and paint. After unripe flake vermiculite is roasted in high temperature, its volume will expand 6- 20 times quickly. Friction materials, its volume can be quickly expanded several times to dozens of times. In addition. Quality expanded vermiculite
Q:Who knows how many fire heat preservation material are there?
They can be divided into wood fire, steel fire and stainless steel fire. Wooden fireproofing material is light weight, easy for installation and second decoration, as well as all types of civil construction and some industrial buildings. It can be realized through inorganic insulation materials, such as glass wool, rock wool, foam glass etc.. The phenolic foam materials inside organic foam material is more special. Phenolic foam does not only have a good thermal insulation performance, but also can be combined with steel and other materials, to achieve a class A fire retardant level. Class A thermal insulation include: 1 thermal insulation materials with class A combustion performance Fire insulation materials of fire barrier zone can use class A material with class A combustion performance in rock (ore) cotton, foam glass, inorganic thermal insulation mortar.
Q:Who knows the setting requirements of roofing fire barrier zone?
First, the the minimum of fire barrier width is greater than 30cm, and the thickness should be same to the thickness of the insulation materials. Fire barrier zone insulation board must do the whole area sticking construction with the base wall during the construction. Fire barrier zone insulation board is required to assistant binding by anchor bolt, anchor bolt must suppress the underlying mesh. Second, Fire barrier zone should be set at the upper position of door and window openings, the distance between the low edge of isolation belt and the upper edge of the window must be less than 50cm. The thermal resistance of fire barrier zone must be half than EIFS thermal resistance in the cold northern areas, while the thermal resistance of fire barrier zone must be three times than EIFS thermal resistance in the hot summer and cold winter area. Third, When the fire barrier zone is set on the edge of the window, fire barrier zone at the upper part of the window should do flanging when sticking, flanging glass fiber mesh must exceed 10CM than firebreak insulation board. Flanging network, underlying network and surface network can not be overlapped or butted at the top of the window. I hope you can be satisfied
Q:How to divide the fire resistant level of construction thermal insulation materials?
How to divide the fire resistant level of construction thermal insulation materials: Combining three versions of GB8624 (1997,2006,2011) external wall thermal insulation fire rating can be basically divided into: A1, A2, B1, B2, B3 and other levels. There are many technical indexes for specific division, very professional and technical, so it is hard to say clear now. For details, please contact Qingdao Shanfang Instrument Company who is specialized in fire rating tester for external wall thermal insulation materials.
Q:How many kinds of fireproof materials are there in the market?
A-level materials are the best which will not burn while the B-level materials are made of combustible materials which can burst into flames.
Q:What is refractory?
Refractory materials are widely used in metallurgy, machinery manufacturing, chemical industry, petroleum, power and other industrial fields. It is an inorganic nonmetallic material mostly used in metallurgical industry with the minimum refractoriness of 1580 ℃, able to resist high temperature without softening (annealing). It accounts for 50% to 60% in total output. Refractoriness refers to refractory's ability to resist fire.
Q:Procedures for producing common refractory materials?
The general procedures of producing refractory materials include calcination of raw materials, selection of raw material , crushing, grinding, screening, mixing, ageing mixture, molding, drying, burning and etc. At present, the refractory factory usually purchases the calcined clinker, so the calcination of raw material is no longer a consideration of common refractory plants.
Q:Why do magnesium oxide refractory bricks can be made into refractories?
The substance used in refractories must have the following characteristics and properties: 1, High stability: Anti-oxidation, anti-reduction and thermal decomposition; 2, High melting point of 2800 degree; 3, Low price. The magnesium oxide refractories have all these three characteristics and properties, particularlly in the aspects of melting point and stability .
Q:Ask some questions about refractories
Is a kind of refractory material, jargon called hook materialThe iron runner: a combination of the super high Los resistant technology, aluminum and corundum, silicon carbide and other raw materials, to high-quality composite binders and additives, strict proportioning, elaborate. The utility model has the advantages of good slag resistance, good thermal shock resistance, long service life, convenient use, simple construction, and obvious reduction of labor intensity of workers.Application: it is suitable for blast furnace tapping system.

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