No Thermal Expansion Refractory Silica Bricks

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

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No thermal expansion silica bricks also known as fused silica brick ,fused silica brick or silica bricks. It has a very low thermal expansion coefficient. Excellent thermal shock resistance. Good structural strength at high temperatures. High content of SiO2 etc. The product can be widely used in various types of coke oven heat fast restoration. Coke oven maintenance time shortens greatly. Ensure the quality of coke oven repair. Improve the efficiency of coke oven production. We not only provide hot repair methods on coke oven and also contract hot repair project for coke oven. 

 

Feature

No thermal expansion silica bricks has better thermal shock resistance, much lower thermal expansion, and can be used to do hot repair.
Fused Silica Brick for Hot Repair of Coke Oven is similar to general silica brick, but it has better thermal shock resistance.
Our fused silica bricks can remain the original shape of design as well as increasing the glass furnace service life.
The founder of our company is an expert in zero expansion silica brick(also called fused silica brick), fused silica bricks are tested to perform excellently in service of glass furnace.

 

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No Thermal Expansion Refractory Silica Bricks

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Q:Semisilica brick, clay brick, high alumina brick and what is the difference?
The share of A12O3 and SiO2 is different
Q:What is the main material of silica brick
Higher high temperature strength. The softening start temperature is 1620~1670 degrees. Long term use at high temperature without deformation. The thermal shock resistance is low (the heat exchange in water is 1~4 times). The natural silica is used as the raw material, and a proper amount of mineralizer is used to promote the transformation of quartz into phosphorus and quartz. Slowly sintered at 1350~1430 DEG C in the reducing atmosphere. When heating up to 1450 degrees, the total volume of 1.5~2.2% expands, and the residual expansion can close the kerf and ensure the airtight and structural strength of the masonry.
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:Why is the new trend of the high thermal conductivity of silica brick
The use of high thermal conductivity of silica brick, reducing coke fuel consumption, reduce emissions of pollutants such as NOx, with considerable economic benefits and social benefits, is the future direction of the new technology of using coke oven refractory.
Q:Such purpose and scope please give me detailed points thank you because I am learning stage
Acid refractory brick is mainly composed of tridymite and cristobalite and quartz and a small amount of residual glass phase.
Q:Can not use it two brick
The softening temperature is up to 1640~1670 DEG C, and the volume is stable at high temperature for a long time.
Q:Glass kiln brick for physical and chemical indicators?
Glass kiln with high quality silica brick with silicon oxide content, low melt index, mainly used for glass kiln crown, parapet, wall hanging, small furnace arch superstructure and regenerator.
Q:What is the effect of the content of silicon nitride in silicon nitride bonded silicon carbide brick on the use of electrobath? Thank you
The main damage of silicon carbide side wall brick is stress damage, not chemical erosion. Chemical damage is formed prior to the formation of the groove, and the damage to the chemical erosion is little after the formation of the groove.
Q:What is acid refractory?
Refractory materials are mainly quartz glass products, combined with fused quartz products, silica brick and unshaped refractories. Semi siliceous refractory materials are generally attributed to this category. As for fireclay refractories, they are also classified as semi acidic or weakly acidic refractories. Also, zircon refractory and silicon carbide refractory for special acidic refractory materials are also classified into this category.
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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