Silica brick of light weight

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Loading Port:
Qingdao
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TT OR LC
Min Order Qty:
100 PCS
Supply Capability:
50000 PCS/month

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Product Description:

Packaging & Delivery

Packaging Detail:wooden pallet
Delivery Detail:20days after receiving the advance

 

Specifications

Light Weight Silica Brick 
1. High refractoriness 
2.High porosity 
3.Good thermal shock stability 
4.Best price, high quality

Brief description

1. High refractoriness

2.high porosity

3.good thermal shock stability

 

Main Technical Property Indexes

 

Item

SiO2≥

91

Refractoriness℃

1670

RUL(0.2MPa)0.2MPa

1560

Apparent Porosity%≤

45

CCS Mpa≥

3.5

Density g/cm3≤

1.2

 

Typical Application

        Lightweight silica brick is mainly used for thermal insulation or reduce weight without direct contact with molten material, gas is not subject to erosion, don't suffer from temperature leaps kiln parts. Use at high temperatures, can not contact with alkaline refractory materials. According to the material is qualitative different, its highest use temperature at 1200 ~ 1550 ℃.

Advantage of Light Weight Silica Brick

 

Lightweight silica brick is lightweight refractory with silicon dioxide more than 91%, the volume density of 1.2 g/cm3 .Refractoriness and refractoriness under load and the composition of the same common silica brick. But due to the porosity, so the compression strength and slag resistance, corrosion resistance and other than ordinary silica brick, and thermal shock resistance is improved.

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Q:The specific content is what gb/t2608-2012 brick
The provisions of the brick classification, technical requirements, test methods,
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:Why in the production of the brick to detect the volume density
Density is the property of material, different density of materials, density of the same kind of material is not up to standard, affecting performance.
Q:Brick
The silica mineral phase is mainly composed of tridymite and cristobalite, there is a small amount of quartz and glass. Tridymite and cristobalite and quartz remaining at low temperature due to phase change, volume changes greatly, so the brick thermal stability at low temperature is very poor. In use, under 800 degrees Celsius, slowly heating and cooling, so as not to produce cracks. The use of temperature in blast furnace so should not be below 800 DEG on.
Q:What is acid refractory?
Acid refractory material usually refers to refractories with SiO2 content greater than 93%. Its main characteristic is that it can resist acid slag corrosion at high temperature, but it is easy to react with alkaline slag.
Q:The introduction of silica brick?
The characteristics of silica brick:Brick belongs to refractory materials, with strong resistance to acid slag or acid solution erosion ability, high load softening temperature are excellent properties of silica brick, usually 1640-1680 C.The use of silica brick:Mainly used for masonry brick oven carbonization chamber, a combustion chamber and a partition wall, glass furnace and kiln roof, pool wall, high temperature hot blast furnace, glass furnace, load-bearing pool wall, hot blast stove, baking furnace of carbon bearing part of high temperature furnaces etc.. Rongsheng with refractory
Q:The hot blast stove when the temperature did not rise against the brick interface decreased
Different insulation methods can be adopted according to the length of the stop time and the location and equipment of the overhaul. Gold, refractory material factory specializing in the production of various specifications of brick
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 effect of the content of silicon nitride in silicon nitride bonded silicon carbide brick on the use of electrobath? Thank you
Small fluctuations in the chemical composition do not have a significant effect on use. The key is the operation of the electrolyzer in production to determine whether the side wall will be damaged.
Q:Why is the highest brick coke oven temperature measuring point temperature not exceeding 1450
That is because the brick load softening point the maximum temperature is 1450 degrees.

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