$Silica Insulation Brick - Heavy Density Refractory Silica Bricks SiO2 95% System 1$
$Silica Insulation Brick - Heavy Density Refractory Silica Bricks SiO2 95% System 2$

$Silica Insulation Brick - Heavy Density Refractory Silica Bricks SiO2 95%$

$Silica Insulation Brick - Heavy Density Refractory Silica Bricks SiO2 95% System 1$

$Silica Insulation Brick - Heavy Density Refractory Silica Bricks SiO2 95% System 2$

Silica Insulation Brick - Heavy Density Refractory Silica Bricks SiO2 95%

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 10 m.t.

Supply Capability:: 100000 m.t./month

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Product Description
Our Heavy Desity Refractory Silica Bricks are made from high quality quartz tail sand, lime and mineralizing agent through the process of crashing, screening, mixing, pressing, drying and sintering.

Application
Our Silica bricks are commonly applied in coke oven, hot blast stoves, glass furnace etc.

Features

High refractoriness under load
High mechanical strength
Excellent thermal shock resistance
Corrosion resistance.

YL Silica bricks are made from high quality quartz tail sand, lime and minaralizing agent through the process of crashing, screening, mixing, pressing, drying and sintering.

Technical Data

Item	arch top and wall brick		lattice brick
SiO2 ≥	95	96	95	96
Fe2O3≤	1.0
refractoriness≥ º C	1710
True Density g/cm3 ≤	2.35
Refractoriness under load 0.2MPa, º C≥	1650	1660	1650	1660
Apparent porosity(%)AP≤	22	22	23	23
Creep(0.2MPa1550º C50h) % ≤	0.8
Thermal Expasion(1000º C) % ≤	1.2
Cold crushing strength(Mpa) CCS≥	35	40	30	35

Photos for Applications

$Heavy Desity Refractory Silica Bricks Sio2 95%$

Q: The introduction of silica brick: Acidic silica brick refractory material, has good acid resistance and slag erosion, softening temperature is as high as 1640 to 1670 DEG C, in the long-term use volume is relatively stable under high temperature.

Q: Physical solid waste disposal: Too much addition will reduce the refractory and mechanical strength, increase porosity, so the amount of waste brick should not be too much.

Q: The United States of our brick anti-dumping duties?: At present of our brick anti-dumping rate is 73.10%

Q: Can iron oxide be used as refractory material?: Is widely used in this area. Mentioned refractory material of high school textbooks generally refers to three two aluminum oxide (alumina), alumina is also used as a refractory material, refractory crucible, porcelain, artificial gemstones.

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: Can not use it two brick: Acidic silica brick refractory material, has good ability in acid slag erosion

Q: Common bond brick?: Lime should contain a lot of active CaO, I decompose CaCO3 and MgCO3 not more than 5%, Al2O3+Fe2O3+SiO2 no more than 5%. When the content of large particles, burned Ca-CO3 and over burned lime, the product produced caves, affecting the quality of products.

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: Physical solid waste disposal: The amount of addition is related to the shape and weight of the brick. The bricks can be added to 20% weight less than 25kg; bricks above 25kg can be added to 30%; for the specific type of brick can be added 30%. into waste silica brick should pay attention to this problem

Q: Such purpose and scope please give me detailed points thank you: Acid refractory brick is mainly composed of tridymite and cristobalite and quartz and a small amount of residual glass phase.

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