$Refractory Silicon Nitride Bonded Silicon Carbide Si3N4 Bricks System 1$

$Refractory Silicon Nitride Bonded Silicon Carbide Si3N4 Bricks$

$Refractory Silicon Nitride Bonded Silicon Carbide Si3N4 Bricks System 1$

Refractory Silicon Nitride Bonded Silicon Carbide Si3N4 Bricks

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Specifications

Si3N4 bricks
1.Density:2.65g/cm3
2.Max temperature:1700C

Refractory Silicon nitride bonded silicon carbide Si3N4 bricks

Si3N4 bricks

material is a new type of advanced refractory materials. Compared with silicon carbide product, the product has characteristics of small thermal expansion, high thermal conductivity, not easy to have thermal stress, good thermal shock resistance, corrosion resistance, extreme cold or heat, oxidation, high temperature creep resistant ability and easily made into products with high dimensional accuracy requirements in line. Silicon nitride combined silicon carbide products have very high strength for normal atmospheric temperature, and it remains almost the same time with the strength and hardness at high temperature 1200-1400C. with the difference of using atmosphere, the maximum safe operating temperature could reach 1650-1750C.

Technical data of Si3N4 bricks

Project	Furnace lining brick	Special shaped brick
SiC%≥	70	70
Si3N4%≥	20	20
Density g/cm3	2.65	2.60
Apparent porosity %	17	18
Compression strength Mpa≥	160	150
Modulus rapture at room temperature Mpa≥	45	40
Modulus rapture at elevated temperature 1400C Mpa≥	50	45

FAQ

1. Sample of Si3N4 bricks

We can sent customer samples to test our product.

2. Delivery of Si3N4 bricks

FOB zhengzhou/qingdao/ningbo/dalian/tianjin/shenzhen/shanghai/alataw pass

We also can offer you C&F,CIF,Door to Door according to customers’ requirement

3. Packing of Si3N4 bricks

Usually,inner is film&foam,outter is wooden box.We also can do the packing

according to customers’ requirement

4. Damage and loss of Si3N4 bricks

When we pay the shipping cost,if cargo damage and loss,we will bear the loss of SiC bricks.

Application of Si3N4 bricks

Silicon nitride bonded silicon carbide refractory bricks used be in ceramic kiln shelf,panels,pillars,seperated flame plate,Waste Incineration Furnace Lining,aluminum tank.

All products are produced to the highest quality standards which means the consistent supply of ceramic components to enable your process to run more efficiently.
All components are supplied with a replacement guarantee. This guarantee provides for the replacement of the component if the service life is reduced because of a fault in the manufacturing process.

Typically we offer a guarantee of 40 days life in service for a riser tube in a low pressure aluminum die casting application, depending on the design.

FACTORY:

$Refractory Silicon Nitride Bonded Silicon Carbide Si3N4 Bricks$

Q:What are the construction measures of refractory material in winter? Please descriptive briefly.: The temperature is low in winter, so refractory bulk materials should be stirred evenly on time to avoid freezing.

Q:What's the fire endurance of A grade fireproof glass curtain wall?: An hour and a half, an hour, and half an hour. As a key step in the home fire prevention, fire door is particularly important. According to the fire endurance and heat insulation performance, it can be classified as follows: A class fire door with fire endurance of no less than 1.5h; B class fire door with fire endurance of no less than 1h; C class fire door with fire endurance of no less than 0.5h. We can choose according to different needs, while A class fire door and B class fire door are now commonly used. Fire door has great varieties, and the material it uses is also of wide range. It includes stainless steel fire doors, glass fire doors, steel fire doors, etc. The most important feature of fire door is its fire resistance period. The main difference between A class fire door and B class fire door lies in their fire endurance, of which the former is no less than 1.5h, while the latter is no less than 1h. Difference between A class fire door and B class fire door also lies in their fireproofing material. That is the thickness of the built-in fire prevention board, of which A class fire door is 52mm, while B class fire door is 46mm. Therefore A class fire door obtains longer fire resistance period than that of B class fire door and gains better fireproof performance. A class fire door and B class fire door also differ in the places they are used. A class fire door is generally used in important fire fighting access of machine rooms, warehouses and oil depots, etc. and flammable and explosive public places, while B class fire door is generally used in the ordinary fire fighting access of some ordinary buildings. But B class fire door is more widely used than A class fire door.

Q:Who knows what is the requirement for fireproofing of interior decoration materials ?: In addition to the underground building, combustion performance level of interior decoration materials inside windowless room , in addition to a class, should advance 1 level based on the original provisions . Library, archives and rooms storing artifacts, ceilings, walls should use class A decoration materials, and the ground should use decoration materials no lower than class B. When high temperature parts of lighting and lighting lamps and lanterns are close to non - grade A decoration materials should be taken, fire prevention measures such as thermal insulation and heat dissipation must be taken. Combustion performance level of materials used for lighting should be no lower than B. Kitchen ceiling, wall and floor should used class a decoration materials.

Q:What are the differences of ceramics and refractories? Is the ceramics belonging to refractories?: No In the high school chemistry, the former is talking about the traditional inorganic material, the latter is belonged to the new materials.

Q:Which brand of thermal insulating refractory is good?: Brands of thermal insulating refractory: 1, Armaflex(German brand). Manufacturer: Armacell thermal insulation materials (Guangzhou) Co., Ltd, Armacell thermal insulation materials (Suzhou) Co., Ltd. 2, Durkflex (American brand) Manufacturer: Durkee (Guangzhou) thermal?insulation?material Co., Ltd. Durkee (Wuhan) thermal?insulation?material Co., Ltd. 3, Aeroflex (Thailand Brand) Manufacturer: Aeroflex Polymer Technology (Shanghai) Co., Ltd.

Q:What is the fire endurance of ceramsite concrete blocks?: The heat conductivity coefficient of grade 800 hollow building blocks in ceramsite concrete is 0.23 and fire endurance is 4h. Ceramsite concrete has strong construction adaptability. It can not only compound concrete material with different unit weight and strength(It changes with the structure of thermal insulation or bearing structure) according to the different purposes and functions of buildings, but also is easy to construct. It is suitable for industrial production of a variety of construction methods. It can not only make all types of components(board, block, girder, column, etc) by using production process, but also can use mechanization construction of cast-in-place. The strong adaptability of construction of ceramsite concrete is not comparable to any other lightweight building materials(such as air-entrapping, etc.).

Q: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. And it is mainly determined in accordance with the national standard GB8624 Building materials combustion levels.

Q:what grades are fire resistance of fireproofing glass divided into?: Fire resistance of fireproofing glass is generally divided into three levels, class A glass can satisfy the requirements of fire resistance and thermal insulation at the same time. Class B, it's a kind of fireproofing glass that can satisfy the requirements of fire resistance and heat radiation strength at the same time. Class C can satisfy the requirements of refractory integrity, if you want to know more specific requirements, you can also surf the internet for a more detailed description.

Q:What is the role of the vermiculite fireproof material?: Apart from inflaming retarding, the materials covered with vermiculite has a lot of advantages including anti rust, waterproof, anticorrosive, wear-resisting, heat-resisting and the coating is armed with toughness, colorability, adhesiveness, fast-drying and luster.

Q:What kind of material is good for cabinet fireproof board: Cabinet fireproof plate can be classified into fiber cement fireproof board, metal fire proof board, mineral wool fireproof board, perlite fireproof board, all sorts of fire prevention board. Fiber cement fireproof board is a kind of ornament plate using siliceous or calcareous as main materials and combined with a certain proportion of fibre material; metal fireproof board is a kind of decorative plate made of aluminum plate, stainless steel plate, color steel plate and other metal materials as the main raw material and added by certain flame retardant materials. Mineral wool fireproof board is a decorative plate made of mineral wool and glass wool; perlite fireproof board is hollow fire proof plate made of low alkalinity cement as the main raw material, and supplemented by certain perlite with fireproof function as filling. Fiber cement fireproof board is a kind of new material increasingly gets popular with superior heat insulation, sound insulation performance, belonging to the A1 level fire materials 1, Suzhou total surplus purification A-grade fireproof rock wool colored steel rock wool board range of applications: Partition ceiling material: Rock wool reference price: On a square 58.00/2 meters, Huarui thermal insulation fireproof materials aluminum silicate refractory aluminium silicate A-grade fireproof heat insulation aluminium silicate plate temperature: 1000 core material: Reference price for aluminum silicate fiber cotton: $3500.00\ ton

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