• Silicon nitride bonded silicon carbide products - shaped products System 1
Silicon nitride bonded silicon carbide products - shaped products

Silicon nitride bonded silicon carbide products - shaped products

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Features: use temperature of 1400 DEG C, has good thermal stability, thermal shock performance is better than the ordinary refractory material and recrystallization of SiC, antioxidant, acid and alkali resistance, wear resistance, and has higher flexural strength. In the aluminum (Al), lead (Pb), zinc (Zn), copper (Cu) as the molten metal corrosion resistance, erosion resistance, no pollution.

  Pipe.

  1, the lift tube, aluminium wheel hub for industry, low expansion coefficient and good thermal shock resistance and strong corrosion resistance, good thermal shock resistance, thermal.

  2, the crucible heating sets, for aluminum liquid, it has good thermal conductivity, corrosion resistance, long life.

  3, the raceway tube, used for ground brick furnace, diameter 30-50mm, length less than 1500mm, high temperature resistance, no deformation, high strength.

 

         Project  
 
       Index 
 

Compressive strength Mpa    
 >120
 

Flexural strength Mpa   
 >40
 

The volume densityg/cm3   
 2.4
 

Porosity%        
 20
 

Thermal conductivity

(1200℃)W/M. ℃
 15
 

Thermal shock resistance

1000℃-20℃ 
 >20Time
 

Resistivityρ        
 104
 

Mohs hardness Mohs
 >9
 

Q:High alumina brick 80 with which high aluminum cement?
In order to maintain a reasonable comprehensive lining, should adopt high quality aluminum refractory mud, such as Sichuan resistance card phosphate refractory mud, refractory clay, high alumina refractory mud PA-80 LN-75, if you use the card volume of Sichuan resistant refractory clay masonry, the effect is better.
Q:What is the difference between corundum and high alumina??
The main components of high alumina brick are high alumina bauxite, mullite and partial corundum sand.
Q:What is the difference between fireclay bricks and high alumina refractory bricks?
High alumina brick is one of refractory materials. The main component of this kind of refractory brick is AL2O3.
Q:What are the characteristics of high alumina bricks?
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 high-temperature kilns and other energy consuming industries, such as chemical industry, electric power industry, etc.
Q:How to reduce porosity of high alumina brick
In order to reduce the porosity of high alumina brick, the corresponding measures should be taken from the selection of raw materials, batching, mixing, molding and firing.
Q:What is spalling resistant high alumina brick?
Spalling resistant high alumina brick is a kind of high alumina brick. Antistripping high alumina brick with high grade bauxite and containing Zr02 synthesis as raw material, according to a certain proportion by high pressure molding system in sintering products, products with anti stripping ability, and have the anti erosion potassium, sodium, sulfur, chlorine and alkali salt, low thermal conductivity and other properties that is the transition zone of cement kiln and decomposition of ideal material with remarkable characteristics, the product is good thermal shock resistance, strong ability to adapt to the environment. It is used in the preheating or decomposing furnace, grate cooler and so on.
Q:How much is one ton / ton of high alumina refractory brick?
The price of high alumina refractory bricks is not equal, according to the quality index of GB2988-2012
Q:What are the requirements for Rubble backfill height?
Backfill should be filled with large stones, big face, small face upward, the decoration is stable, and then use small stones leveling, the gap between the stones can be swept into the slag, gravel, so that the gap filled.
Q:What is the apparent porosity of high alumina brick?
In the production of high alumina bricks in addition to the entity, there are many different sizes and shapes of different pores, pores can be divided into three categories: one side closed the other side and the outside world is called open pores, closed in the product not communicated with the outside is called closed pores, penetrating through pores called the few products.
Q:How many cubic bricks does a high alumina brick have?
It is related to the content of aluminum in high alumina bricks.

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