• Silica Brick - Lightweight System 1
  • Silica Brick - Lightweight System 2
Silica Brick - Lightweight

Silica Brick - Lightweight

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

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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.

Q: Physical solid waste disposal
Reduce crack production and improve yield. 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: 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: The United States of our brick anti-dumping duties?
At present of our brick anti-dumping rate is 73.10%
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
The softening temperature is up to 1640~1670 DEG C, and the volume is stable at high temperature for a long time.
Q: Brick
An acid refractory consisting mainly of quartz and square quartz and a small amount of residual quartz and glass.More than 94% silica content. True density 2.35g/cm3. With acid resistance, slag erosion performance. 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 quartz in the body. 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: The chemical composition of silica brick and its physicochemical index?
????Al2O3 SiO2??????fe2o3??????cao???????r2o93~98?0.5~2.5?;;?0.3~2.5??0.2~2.7;??1~1.5;
Q: The difference between clay refractory bricks and refractory brick in the application.
Clay brick features good thermal shock resistance and low price, but high temperature performance is not well integrated, and the long-term use temperature is not higher than 1300 degrees. It is widely used in low temperature parts of various kilns.
Q: What is the silica refractory products?
High silicon content in high temperature expansion sintering temperature between 1390-1410 in furnace arch
Q: Why in the production of the brick to detect the volume density
Fast density test, please consult an instrument.

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