• High Alumina Brick Carbon-Graphite Carbon Sleeve for Furnace Roller System 1
  • High Alumina Brick Carbon-Graphite Carbon Sleeve for Furnace Roller System 2
High Alumina Brick Carbon-Graphite Carbon Sleeve for Furnace Roller

High Alumina Brick Carbon-Graphite Carbon Sleeve for Furnace Roller

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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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Mainly used for furnace roller of cold rolled silicon steel sheet continuous annealing furnace and other heating furnace.

Project  
Unit

Index value
 
Ash 
 %
 ≤6.0
 
Resistivity
 σΩ.m
 ≤7.5
 
Flexuralstrength
 Mpa
 ≥16.0
 
 The volume density 
 g/cm3
 ≥1.75
 
The coefficient of thermal expansion

 
 ×10-6/℃
 ≤2.6
 

The following materials also available:


Aluminum electrolysis groove with silicon nitride bonded silicon carbide side co
 
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Silicon nitride bonded silicon carbide products - shaped products
 
Silicon nitride bonded silicon carbide products - beam material
 
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Silicon nitride bonded silicon carbide products - burner series
 
Silicon nitride bonded silicon carbide products - refractory products
 


 

Q: Is there a big difference between two high alumina brick and one high alumina brick?
According to my experience, two kinds of high alumina bricks from the index, there is a big difference between the content of AL2O3, a high aluminum brick in 75%, two grade high alumina bricks in 65%, so the content is not the same, also decided that the use of temperature difference, the difference is very big.
Q: What refractory material does cupola lining use?
It's made of high quality refractory material: 1770 ~ 2000 centigrade.
Q: The difference between aluminium refractory and magnesia refractory
Therefore, the difference between the two is a neutral, one is alkaline, the original product is different naturally.
Q: Aluminum content 38, silicon content 55 What refractory bricks?
Hello Only on behalf of the Zhengzhou colt as refractory product index your answer to this question is not entirely separate from the chemical index of aluminum content, silicon content and judgment, personally think that three types of refractory bricks may respectively is: Two: semisilica brick high alumina brick
Q: How much is one ton / ton of high alumina refractory brick?
The market price of about super high aluminium brick price at 3000 yuan / ton, a high aluminum brick at around 2500 yuan / ton, two high aluminum bricks at around 2100 yuan / ton three grade high alumina bricks at around 1850 yuan / ton for reference, choose to buy the area is not the same as the prices are not the same.
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: What kind of material is the general metal case?
We usually discuss the electromagnetic radiation of computer enclosures, mainly RF radiation, followed by MF leakage.Switch signal of RF radiation from computer high-speed leakage, such as one of the energy radiation is CPU frequency, graphics, display output line, keyboard, is the source of the operating characteristics of the computer leaked out, is also the main part of computer security.For the absorption of radio frequency radiation, the best is the use of copper materials, the use of other metals can also, thickness enough on the line.The most vulgar description is that people can sit in the case is a good thing.
Q: What causes breakage of refractory bricks?
There are many factors that lead to the damage of refractory brick, can be divided into: the chemical loss (e.g. salt penetration, redox phenomenon), heat loss (burning, thermal shock), mechanical loss (kiln deformation, thrust, brick masonry quality etc.).
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 should be used as binder for making high alumina bricks?
In addition, high alumina micro powder can be used as binding agent, or high alumina micro powder and clay powder are prepared according to a certain proportion, and synthetic mullite is used as bonding agent. With these binders, high alumina bricks without two expansion can be prepared.

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