China Manufacture Silica Brick

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Product Description:

Specifications

1.low thermal expansion,
2.high cold crushing strength,
3.low reheating linear change

 

Advantage:Our Refractory Brick: with high refractoriness and mechanical behavior under high temperature,Refractory brick is the necessary material of high- temperature service, mainly use for industrial furnaces and kilns and thermal equipments.

Type:We can supply High Alumina Bricks, Fireclay Bricks, Low Porosity Fireclay Bricks, Mullite Bricks, Corundum Bricks, AZS Bricks, Magnesite Bricks, Zircon Bricks,insulating Bricks etc.

Application: they are widely used in the metallurgy, steel, alumina, cement etc industry.

Index

     Item

Silica Brick for Cokeoven

JG-94

LJG-95

LJG-93A

LJG-93B

SiO2 % ≥

94

95

93

93

Al2O3 % ≥

1.5

1.5

Fe2O3 % ≤

2.0

2.0

Refractoriness under load ≥

1650

1660

1650

1650

A.P. %  ≤

22

22

22(23)

24(25)

C.C.S (Mpa)

29.4

35

35(30)

30(25)

True density (g/cm3) ≤

2.35

2.34

2.34

2.35

Theruomal expansion ≥

1.25

1.25

1.25

Linear change
after reheating %≤

0.2

+0.2

Bulk density (g/cm3) ≥




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Q:What are the main constituents of refractory bricks?
Refractory brick composition is mainly composed of a variety of aggregate or aggregate and one or more kinds of sticky agent composed of mixed powder particles, when used, must be mixed with one or more liquids, mixing evenly, with strong liquidity. Different refractory bricks are different, such as silicon, aluminum, clay and so on:
Q:The high thermal conductivity of silica brick and traditional brick what is the difference?
Tridymite content high thermal conductivity silica brick is 70%, tridymite content of traditional brick is 60%, tridymite content high thermal conductivity of silica brick than tridymite high content of 10% traditional brick,
Q:What are the materials for refractory materials? What are their names?
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:Glass kiln brick for physical and chemical indicators?
Glass kiln with high quality silica brick products according to the standard JC/T615-1996, the single brick is divided into 3 grades: XBG-96, ZBG-96, DBG-96.
Q:Why in the production of the brick to detect the volume density
Fast density test, please consult an instrument.
Q:The specific content is what gb/t2608-2012 brick
Quality assessment procedures, packaging, marking, transport, storage, and quality certificates. Suitable for siliceous refractory bricks.
Q:The introduction of silica brick
The silica mineral phase is mainly composed of tridymite and cristobalite, there is a small amount of quartz and glass
Q:Can iron oxide be used as refractory material?
Iron oxide can not be used as refractory material, but it can be used as refractory additive. Iron oxide can be used as pigment
Q:Such purpose and scope please give me detailed points thank you because I am learning stage
Mainly used for coke oven carbonization chamber and the combustion chamber wall, open hearth furnace regenerator and a sediment chamber, soaking furnace, glass furnace, refractory materials and ceramic brick kiln, kiln vault and other load-bearing parts. Also used for high temperature bearing part of hot blast stove and acid open hearth furnace.
Q:The United States of our brick anti-dumping duties?
At present of our brick anti-dumping rate is 73.10%

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