Black SIC ball

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black Sic Ball is a good deoxidizer for steel making

The company produces   black silicon  carbide   balls    is a new type of composite deoxidizer , to instead of ferrosilicon, silicon carbide , carburant ,reduce the amount of deoxidizer and alloying process for smelting deoxy.

Application:

Improve steel quality , improve product quality , improve product new energy , and reduce the amount of alloy added to reduce the cost of steel making , increase economic.

Specifications:

type

Sic%

FREEC%

Si+SiO2%

Fe2O3%

MGO%

H2O%

size

Lytz- Sic98.5

98.5

0.2

0.06

<1.5

0-30mm

Lytz- Sic98

98

0.3

0.8

<1.5

Lytz- Sic97

97

0.3

1

<1.5

Lytz- Sic95

95

0.4

1

<1.5

Lytz- Sic90

90

0.6

1.2

<1.5

Lytz- Sic85

85±3

1

8±3

1.5

<1.5

Lytz-Sic75

75±3

2.5±1

17±2

3

0.10

<1.5

Lytz-Sic65

65±3

4.5±1

23±2

4

0.12

<1.5

Lytz-Sic55

55±3

4.8±1.5

28±3

5±2

0.16

<1.5


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Q:What is refractory aggregate?
It includes two categories: coarse aggregate and fine aggregate.
Q:What things and cement mixed can act as refractory?
Cement acts as cementing material. Itself works by refractory aggregate and stir the refractory material for its gelling refractory aggregate both should be fire-resistant.
Q:Who know what kind of fire shutter fire rating are there?
Fire resistance rating of the building elements is different due to the different requirements of the construction . Fire proof door can be divided into Serie A, B and C in terms of fire endurance limit, fire resisting limit are not should be less than 1.20h, 0.90h and 0.60h. That is, if the fire resistance rating is two, also it is possible to use a class a fire door. Hope my answer will help you.
Q:Which industry does the metallurgy and thermal insulating and refractory material belong to?
According to "New Economic Industrial Classification", the metallurgy and the thermal insulation refractory matter belong to C category. The manufacturing industry has 30 categories. The non-metallic mineral products industry has 303 classes. The production of building materials of tiles, stones, ect. refers to clay, ceramic tile production, building stone processing, building materials produced by wastes or drogs and subcategories 3035 produced by other building materials. The manufacture of thermal and acoustic insulation materials refers to the manufactuer of mineral insulation materials and other products, like rock wool, mineral cotton, expanded perlite and expanded vermiculite used for thermal insulation and sound insulation, but it does not include the production of 3039 subcategories, like asbestos thermal insulation and sound insulation materials, and other construction materials.
Q:What is the main constituent of refractory brick?
There are several refractory bricks, including clay brick, carborundum brick and chromium-carbon. The type you said may be refractory bricks made from bauxite.
Q:Can anyone tell me what material the first rate fire resistant door is?
Material of Class A fire doors mainly are steel, wood, steel and wood, and other materials. Fire door is one of the measures of the building fire separation, usually used on the firewall, entrance and exit of staircase or tube well openings, which is required to hane the abilities of smoke insulation and fire insulation. Fire door plays an important role in prevention of the spread of smoke and fire and the reduction of fire loss. Therefore, we must have strict requirements. Fire doors are divided into class A, class B and class C, whose properties of fire-resistant thermal insulation and fire-resistant integrity should be no less than the following values: Class A should be1.50h; class B should be1.0h; Class C should be 0.5h. - stipulations in article 4.5.1.2 in "The New Standard of Fire Doors" GB12955-2008. I hope my answer can help you. Thank you.
Q:What are grade classifications of the external walls for fireproofing?
1. The thermal insulation material of level A combustion performance: Rock wool, glass wool, foam glass, foamed ceramics, foam cement, hole-closed perlite, etc. 2. combustion performance is level B1 insulation materials: Extruded polystyrene board (XPS) after special treatment / Special treatment of polyurethane (PU), phenolic aldehyde and gelatine powder polyphenyl granule 3, combustion performance is level B2 insulation material: Molding polystyrene board (EPS), extruded polystyrene board (XPS), polyurethane (PU), polyethylene (PE), etc. See the 2009 edition construction technical measures 4.3.6 Level A insulation material is only for fireproofing, but its thermal insulation performance is not better than organic XPS \\ EPS and other materials. I feel the best insulation materials should be modified phenolic board, which can keep insulation and fireproofing, but the comprehensive unit price is very expensive.
Q:What are included in wall fireproofing material?
Wall fireproofing materials include dry wall and gypsum block. Dry wall is made into board material through process by using building plaster as main material, adding an appropriate amount of additive and fiber to make board core and using tailor-made board paper as protection surface. Dry wall ia characterized by light weight, sound insulation, heat insulation, strong processing performance and easy construction method. Gupsum block is lightweight building plaster product made by using building plaster as main raw material, adding water, stirring, moulding by casting and drying. Fiber reinforced material or lightweight aggregate are allowed to add during the production and foaming agent can also be added. It is soundproof, fireproof, convenient to construct and many other advantages. It is a kind of new wall material with low carbon, environmental protection, health and in line with the development requirements of the times.
Q:what's the varieties of fire-proof sealing material?
Fire blocking material currently on the market include: fire stopping board, foam blocking material, flame resisting module, fire-resisting sealant, flexible organic caulking, WXY-II and fire retardant bag, etc. fire-proof sealing material is widely used in building construction and can ensure high-temperature flame and smoke from fires not spread to another fire compartment, different buildings generally use different sealing methods. Pipeline is generaly sealed by pouring concrete board or mortar.
Q:What are the standards of refractory concrete ?
The special concrete compound by uitable binding materials, refractory aggregates, admixtures and water at a certain ratio. It can maintain the desired mechanical property at high temperature of above 900 ℃ for a long time. The property depends on the material and matching of all the aggregates, admixtures and binding materials. Its material, composition and ingredients are similar to these of refractory castable. Refractory aggregate can be dry slag, broken refractory bricks, basalt, bauxite, magnesite, etc. According to the binding material, it can be divided into Portland cement refractory concrete, aluminate cement refractory concrete, sodium silicate refractory concrete, phosphate refractory concrete, magnesia refractory concrete, etc. (8) The particle material and powder material in refractory concrete are called aggregate and admixture respectively. The mixture of concrete can be moulded by casting, vibrating or ramming. And proper measures to promote their hardening can be used in accordance with the hardening characteristics of the binding materials (such as air hardening, water hydraulicity, thermal hardness, etc.). It is mainly used to build the monolithic lining of industrial furnace and procast blocks. Of all the concrete, the ones used for under 900 ℃ is called heat-resistant concrete, and they are used for the foundation and chimneys, etc. of industrial furnaces and thermal equipment.

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