Zero Thermal Expansion Refractory Silica Bricks

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Tianjin
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Min Order Qty:
10 m.t.
Supply Capability:
100000 m.t./month

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High Purity 99% SiO2, extremely low thermal expansion coefficient which makes them ideal for use as a hot repair material, as a hot repair material (for glass melters and coke oven plants)
We are a pioneer of refractory for maintenance of furnaces, kilns, etc. From our foundation, we has developed lots of new refractory products and applied innovative technologies to extend furnace/kiln service life and increase productivity in a wide range of industries, mainly in ironmaking, coking, metallurgy,glassmaking industries in the past few years.

Product A: Fused Silica Brick
Brand: ZES-95H
Shape: We can manufacture very large blocks, as well as very complex shape

Property:
1. Excellent thermal shock resistance
2. Near zero expansion coefficient
3. Only very few cristobalite transformation for long service of coke oven
4. Reliable This product was developed by the founder of our company, and has been applied
In coke ovens of BAOSTEEL for more than 10 years without any problem

Product B: Fused Silica Brick
Brand: ZES-99
Shape: We can manufacture very large blocks, as well as very complex shape

Property:
1. Excellent thermal shock resistance
2. Near zero expansion coefficient
3. No long term drying oven required; No preheating required
4. Superior chemical and physical properties:
4.1 High Refractoriness under Load 1680 centigrade degree
4.2 Low creep
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Zero Thermal Expansion Refractory Silica Bricks

 

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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:How to improve the thermal conductivity of the coke silicabrick rate?
To improve the thermal conductivity of silica brick for coke oven rate method:Manufacture of high density and high thermal conductivity of silica brick, adding additives such as CuO, Cu2O, TiO2, Fe2O3, (FeO), can improve the thermal conductivity of silica brick.
Q:Can not use it two brick
Acidic silica brick refractory material, has good ability in acid slag erosion
Q:The brick is mainly used in the place?
Partitions used in coking and combustion chambers for coke ovens
Q:The United States of our brick anti-dumping duties?
At present of our brick anti-dumping rate is 73.10%
Q:The difference between clay refractory bricks and refractory brick in the application.
Brick bearing soft temperature and close to the melting point, high temperature strength, can be in high temperature (above 1400 degrees) under the condition of long-term use, but the anti alkali erosion ability, thermal shock stability is the worst, a scrap. The brick is generally used in the coke oven, glass kiln. Other industries basically do not use.
Q:What are the main constituents of refractory bricks?
Clay brick and clay brick are mainly composed of mullite (25% ~ 50%), glass phase (25% ~ 60%) and square quartz and quartz (up to 30%). Usually with hard clay as raw material, pre calcined mature material, and then with soft clay, semi dry or plastic molding, the temperature at 1300~1400 C fired clay brick products. Can also be added a small amount of water, glass, cement and other binders to make non burning products and amorphous materials. It is a refractory brick commonly used in blast furnaces, hot blast furnaces, heating furnaces, power boilers, lime kilns, rotary kilns, ceramics and refractory bricks.
Q:Why is the three oxidation of two silicon is very harmful impurities in silica brick
Can generate the material needs is the best way to see the impurity problem!! the first consideration is whether can get the material impurities with what method choice after the time! Miscellaneous reactions cannot have new impurity formation! Selected cannot and need material reaction reagent!
Q:How to judge the quality of brick, clay brick, high alumina brick furnace from the appearance?
Mainly from the impurities to determine how much, generally less impurity single color brick.
Q:What role does silica play in refractories?
Low fractory refers to the alumina content between 10%~30%, SiO2 content is less than 85%, semisilica brick SiO2 = 65%,The SiO2 content of not less than 93%, refractory material to natural quartz rock as the main raw materials are called silica, silica brick, silica brick, quartz glass and special products. China's literature generally put this type of product is called "siliceous refractory products", which is the most important brick.

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