• High Alumina Brick - Silicon Carbide Bonded Silicon Nitride Products System 1
  • High Alumina Brick - Silicon Carbide Bonded Silicon Nitride Products System 2
High Alumina Brick - Silicon Carbide Bonded Silicon Nitride Products

High Alumina Brick - Silicon Carbide Bonded Silicon Nitride Products

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Loading Port:
Qingdao
Payment Terms:
TT OR LC
Min Order Qty:
5 m.t.
Supply Capability:
500 m.t./month

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Usage: used for furnace, blast furnace, boiling furnace and boiler and so easy to wear parts of waste incineration, also can be used for high thermal conductivity of refractory materials.

 

Product name
  

Silicon carbidecastable

Silicon carbide ramming material 
 
体积密度 g/cm3

 ≥2.50
 ≥2.50
 

Compressive strength at room temperature

 Mpa
 110℃×24h
 ≥30.0
 ≥50.50
 
1000℃×3h
 ≥60.0
 ≥70.0
 
Linear change rate%
 110℃×24h
 ~-0.15
 ≥18.00
 
1000℃×3h
 ~-0.30
 ≥20.00
 
 Thermal conductivity

(1000℃),w/(m·k)
 ~-6.50
 ~-6.50
 

Chemical composition(%)

 SiC
 ≥86.50
 ≥86.50
 
SiO2
 ≤7.00
 ≤7.00
 
Al2O3
 ≤3.50
 ≤3.50
 
Fe2O3
 ≤1.00
 ≤1.00
 

Q: What are the main components of high alumina bricks?
High alumina brick materials according to the main mineral phase can be divided into: aluminum silicate minerals, such as sillimanite, kyanite, andalusite, and synthetic mullite.
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 are the common thermal insulation materials for thermal conductivity?
The vacuum heat insulation plate is a kind of high efficiency thermal insulation board made of inorganic fiber core material and high resistance gas composite film. It is made of vacuum encapsulation technology and covered with special interface mortar.
Q: What is the content of free silica in the refractory bricks of high alumina bricks?
Refractory powders are not rich in free silica in varying degrees
Q: Which is better, the soft core or the hard core?
The use of each of the single core copper wire with low line, 1.5 square with cap line home, socket 2.5 square, air conditioning to walk alone line 4 square can, when the terminal box into a socket with leakage protection switch, prevent overload and short circuit.
Q: What are the high temperature refractory mortars made of?
Products used in metallurgy, building materials, machinery, chemical, power industry, industrial thermal furnace, for masonryBuilding clay brick, high alumina brick and corundum brick have the characteristics of full grey seam, good airtightness, high bonding strength, high temperature performance and suitable construction time
Q: The difference between ordinary and diatomite brick refractory brick
To say the difference, the material is the biggest difference. There are diatomite brick density, compressive strength of small brick kiln belongs to the outer thermal insulation, and heavy refractory brick kilns for multi village in direct contact with the flame, high temperature resistance, good compressive strength, but no insulation. Hope to help you.
Q: What does refractory consist of?
Refractory materials can be divided into main raw materials and auxiliary raw materials according to their function in the production process of refractory materials.The main raw material is the main body of refractory. Auxiliary raw materials can be divided into binders and additives. The role of bonding agent is to make the refractory body in the production and use process has enough strength. There are commonly used lignin, phenolic resin, asphalt, cement, water glass, phosphoric acid and phosphate, sulfate, some main raw material itself has the effect of binder, such as clay; additive is to improve the production of refractory materials and construction technology, or strengthen the refractory material of some properties, such as stabilizer, water reducing agent, inhibitor, plasticizer, foaming agent, dispersing agent, bulking agent, antioxidant.
Q: How does the physicochemical index change when the high alumina brick is used at high temperature?
When the high alumina brick is used at high temperature, the physical and chemical indexes and other constants will not change if the temperature is in the physical and chemical indexes and the softening temperature of the load.
Q: What is the difference between metal compounds and metal solid solutions?
A series of intermetallic compounds occurring between transition metals in intermetallic compounds. The most important are L sigma sigma phase and ves phase, they are topologically close packed (TcP) phase, they consist of a small atomic radius of a dense layer, which is inlaid with a large atomic radius of atomic structure, this is a highly dense pile. In addition to atomic size factors, their formation is also influenced by the concentration of electrons.

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