Silicon nitride bonded silicon carbide products for industrial furnace kiln

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Qingdao
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Min Order Qty:
5 m.t.
Supply Capability:
500 m.t./month

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Product Description:

Use: shed board, column, a groove plate, a push plate, saggar, fixture, tuyere combined bricks for industrial furnace.

Features: the push board kiln, shuttle kiln, roller kiln, tunnel kiln, the use of temperature between 1200 degrees to 1550 degrees, high temperature and good chemical stability, high temperature flexural strength, wear resistance, high corrosion resistance, acid and alkali resistance of linear expansion rate low, high coefficient of heat conductivity.

 

Product name 
 
Silicon nitride bonded silicon carbide products 
 

Chemical composition

(%)
 SiC
 ≥70.0
 
Si3N4
 ≥20.0
 
Fe2O3
 ≤0.3
 

 Display the porosity(%)    
 ≤ 16.0
 

 The volume density(g/cm3)  
 ≥ 2.67
 

 Compressive strength at room temperature(Mpa)
 ≥ 180.0
 

Flexural strength(Mpa)
 Normal atmospheric temperature 
 ≥45.0
 
1400℃
 ≥55.0
 

Thermal conductivityλ(W/m·K)

 
The experimental temperature

1000℃
 17.8
 

Coefficient of temperature conductivityα(cm2/s) 
 
The experimental temperature

1000℃
 0.057

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Q:How much is the bending temperature aluminum silicon carbide brick for torpedo car
The product has the advantages of high temperature, little creep, strong corrosion resistance and good thermal shock resistance, and is suitable for large and medium-sized hot blast stoves.
Q:What is the price of the latest thermal insulation material?
There are many kinds of insulation materials, and the price will fluctuate with the market. Small quantities of inquiry or procurement, then go directly to the local thermal insulation market, a wide variety of prices are basically the market price.
Q:High alumina brick 80 with which high aluminum cement?
Which kind should be chosen should be determined according to the conditions of use, life expectancy and cost control. By the way, the quality of masonry is also very influential.
Q:What refractory material does cupola lining use?
A class of inorganic nonmetallic materials with a refractoriness of not less than 1580 degrees. Refractoriness is defined as the temperature of a sample of a refractory cone sample that resists high temperature without loading and does not soften and melt down. But only in terms of fire resistance can not be fully described refractories, 1580 degrees of temperature is not absolute.
Q:Does the chimney have high acid resistance?
The chimney particles and gases, mostly coal tar products, material acidic, therefore, take good acid resistance, acid proof brick, Grouts also used potassium silicate clay acid is preferred.
Q:What are the requirements for refractory materials in heat treatment furnace?
Fire resistance is an important performance index of refractory materials, but it does not represent the highest temperature in actual use of refractory materials. In actual use, refractories also bear certain pressure, therefore, must consider the high strength at high temperature refractory material, which is in high temperature under certain pressure without deformation, such as the NZ-40 refractory refractory degree up to 1730 DEG C, but the maximum temperature is only 1350 degrees celsius.
Q:How to make refractory bricks and boiler wall adhesion more firm?
Suggest that you use fire brick to increase the length of brick or pull the amount of turn, and use high temperature mortar masonry
Q:Application characteristics of high alumina brick
Refractoriness. High alumina brick products are advanced varieties of aluminium silicate refractory products, and their refractoriness increases with the increase of Al2O3 content, generally not less than 1750 - 1790 DEG C. If the content of Al2O3 is more than 95% of corundum brick, the refractoriness can be as high as 1900-2000 degrees.
Q:How are the grades of high alumina bricks differentiated?
In China, the content of Al2O3 in high alumina brick is usually divided into three categories: I, etc. - Al2O3 content > 75%; II, etc. - Al2O3 content is 60 to 75%; III and so on - Al2O3 content is 48 ~ 60%.
Q:What is the difference between high alumina brick and clay brick?
There must be a difference. They vary in color from the amount of aluminum, the weight, the temperature, and the color. For example: 75 high aluminum and 43 clay bricks, 75 single weight 4.5kg or more. 43 3.65kg or so, the use of temperature 75, high aluminum in about 1520, 43 of brick 1430 or so, the color of 75 pan white, 43 of the Loess color. In short, the difference is great.

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