$Raw Materials for Refractory Silicon Carbide Brick Material System 1$
$Raw Materials for Refractory Silicon Carbide Brick Material System 2$
$Raw Materials for Refractory Silicon Carbide Brick Material System 3$

$Raw Materials for Refractory Silicon Carbide Brick Material$

$Raw Materials for Refractory Silicon Carbide Brick Material System 1$

$Raw Materials for Refractory Silicon Carbide Brick Material System 2$

$Raw Materials for Refractory Silicon Carbide Brick Material System 3$

Raw Materials for Refractory Silicon Carbide Brick Material

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Specifications

1Silicon carbide brick
2OEM
3ISO9000&CE
4MOQ:1MT
5Timely delivery

Silicon carbide brick

1. Performance of Silicon carbide brick

High strength

Low thermal expansion coefficient

Good thermal conductivity and thermal shock resistance

Good resistance to liquid aluminum erosion capability

High erosion

2. Chemical & Physical Specification of Silicon carbide brick

Index		Al electrolysis cell block	Kiln furniture brick	Pipe
SIC, % ≥		72	70	70
Si3N4, % ≥		20	20	20
Fe2O3, % ≤		0.7	0.7	0.7
Bulk Density, g/cm3 ≥		2.62	2.60	2.55
Apparent Porosity, % ≤		17	18	20
Cold Crushing Strength, Mpa ≥		150	140	120
MOR, Mpa	Room temp. ≥	42	40	35
MOR, Mpa	1400°Cx0.5hrs ≥	45	45	40
Refractoriness Under Load (0.2Mpa,0.6%), °C ≥		1700	1700	----
Thermal Shock Resistance (Water quenching at 1100), cycle ≥		30	30	----

3. Typically Application of Silicon carbide brick:

1.) Side wall Electrolyzer cell chemical-industrial reaction pot.
2.) Used as Kiln shed board, slide push board, sagger, Tuyere combined bricks.

3.) Used in blast furnace belly, Bosh and lower stack, cooling wall, rubbish burning furnace and boiler

4. Production process of Silicon carbide brick

a.) Choose metal silicon as raw material, add additives, then mix.

b.) Put the mixture into the mold, then make embryoid by machine pressing.

c.) Be reaction sintered by nitrogen protection in electric furnace.

5. Packing details of Silicon carbide brick

a.) The products are packed in wooden cases, and the wooden cases are tied up by 6 steel belts, then the wooden cases are put on fumigation wooden pallet.

b.) We also pack products as custom request.

Silicon carbide brick material

Q: What are the use of fire-resistant material and admixture?: I am engaged in admixture and thus familiar. Welcome to exchange!

Q: Who can introduce the difference between galvanized fireproof?coatings and steel structure fireproof materials?: Steel structure with heat galvanization has a process requirement, which is to spray fireproof coatings. Fireproof coatings have different functions and purposes from galvanized process. When the steel surface derusted, it generally needs to brush rich-zinc primer before spraying fireproof coating. Fireproof coating plan itself includes anticorrosion plan, and fireproof coating is just a layer of coating plans, which is an intermediate layer in general. Fireproof coating plan generally includes primer, fireproof coating and finishing paint. Some fireproof coatings can be directly painted on the bare steel elements without primer and finishing paint.

Q: How to do environmental impact assessment for refractory Co., Ltd.: Give you a list of data, you can refer to. List of required data for environmental impact assessment 1) name, type, specification and quantity of main process equipment. 2) the supply and consumption of raw and auxiliary materials (annual consumption and unit consumption of raw materials, ingredients, electricity, new water and recycled water). 3) public utilities: power supply system: need to build several substations? What is the size of the substation? Water supply system: fresh water consumption, circulating cooling water consumption, domestic water consumption, production water consumption, fire water consumption, respectively, how much? Heating system: if the project has a self heating system, the size of heating boilers, types, scale, fuel types, sources, annual consumption, the boiler's circulating water supply.

Q: What's the definition of fire endurance of the fire-resistant coating for steel structure?: Fire endurance (h): Under the condition of standard fire resistance test, the time when the building components, accessories, or structure is subjected to fire to the time when they loose stability, integrality or thermal insulation is called fire endurance which is showed in time. Steel is the kind of building material that is nonflammable with many properties of seismic resistance and bending resistance. In practical applications, steel can improve the load capacity of buildings in a relative way, meet the needs of buildings design, beauty and mould, and it can also avoid the defects of poor flexibility and tensile strength of buliding materials like concrete. Therefore, steel is quite popular in the construction industry, and it is widely used in single-story or multi-storey skyscrapers, plants, warehouses, waiting rooms and airport terminals, etc. However, as a kind of building material, it has some unavoidable defects in fire prevention. That is its mechanical properties like yield point, tensil strength and elasticity modulus will decrease dramatically with the rise of the temperature.

Q: Which fire-resistant materials have good viscidity?: Viscidity is necessary for gunning mix, repair mix and bordering. It is too broad to which has good viscidity. Both gunning mix and repair mix are powder before adding water. Bordering also has little viscidity before heating. The question shoule be more specific.

Q: Does anyone know what is the use of waste refractory materials?: 1.Waste refractory bricks can be reused to make the refractory bricks after being crushed by crusher, but the price is not very high. The purchasing price of refractory plant is ?60/ton. Because the refractory material has been calcinated for two times, it becomes easier to make bricks expansion coefficient with waste refractory bricks, but too much is inadvisable. If too much, the refractory materials would have a bad combination, which will give rise to loose bricks and incomplete corners. Nowadays, ordinary refractory plants would purchase waste refractory bricks to produce bricks, but better plants wouldn’t do this.

Q: What 's the highest temperature can magnesium plate glass resist ?: You only need a fire-resisitance board thicker than 10 mm, remember to add more perlite as filler during production, 12 mm board is 80 yuan. . . .

Q: What are the new types of refractories? What are the characteristics? Their applications and developments?: Special materials often use AZS brick, corundum brick, magnesia chrome brick, silicon carbide, silicon nitride bonded silicon carbide, nitrides, silicides, sulfide, boride, carbide and other non oxide refractory materials; calcium oxide, chromium oxide, alumina, Magnesium Oxide, beryllium and other refractory materials. Often used insulation refractories are diatomite products, asbestos products, insulation panels and so on. Unshaped refractory materials commonly used are fettling, refractory ramming material, refractory castable, refractory plastic material, refractory clay, refractory gunning, refractory cast material, fireproof coating, lightweight castable, mud etc..

Q: Development trend of refractory industry: China announced that from 2004 January, the export of most refractory raw materials will be cancelled, and the export of finished products will also reduce the tax rebate rate. This means that important raw materials for further export restrictions, some developed countries dependent on imports of China's refractory materials and products of the refractories industry will have a major impact. In order to reduce costs, they will move their factories to Chinese, which is the development of Chinese refractories industry will also be an important opportunity. In addition, the convenience of communication and transportation, the change of the international market and the increase of e-commerce have also brought good opportunities to the development of refractory industry.

Q: What is the limit of fireproof rolling shutter?: 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. Set firewall has difficult sites can use fire shutter fire partition separating, when the back fire surface temperature rise refractory limit determination conditions of fire shutter, the fire resistant limit not less than 3H; when employed does not include back fire surface temperature rise do fireproof limit determination conditions of fireproof rolling curtain, on both sides of the shutter should be set up a separate closed type automatic water spraying system protection, sprinkler system continuation of time should not be less than three hours.

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