We aim to sell high-quality and high-performance Calcined Alumina Powder, Polyester fiber cement board for building, Refractory brick against penetration of aluminum liquid, which are extremely competitive in the market in terms of function and price. We believe in the power of scientific and technological innovation, and we continue to explore and innovate on the basis of product technology. You can let us know your idea to develop unique design for your own model to prevent too much similar parts in the market! Our company adheres to the sunny and decent corporate culture, adheres to the rigorous and even harsh industrial spirit, keeps learning and exchanging with domestic and international cutting-edge technologies. We require our employees to have a high sense of enterprise and responsibility and to be loyal to their duties.
1,Knowledge of Semi-silica Brick:
Semi-silica brick is used between clay brick and silica brick.it's thermal shock resistance is better than silica brick.The shrinkage of clay is counteracted by quartz expansion in the course of use,as a result, the volume change of the product is small, sometimes slightly expanded,therefore, the air tightness of masonry is good.Another feature of the product is that when the high temperature slag contacts the brick surface, a layer of glazed material with high viscosity forms on the brick surface.,it's thickness is 1-2 mm, blocking the pore, preventing the slag from penetrating into the brick and forming a protective layer, which improves the corrosion resistance of the brick.
Semi-silica Brick has good resistance to acid slag, high temperature structural strength and relatively stable volume,for this reason, the products are mainly used in coke oven, acidified iron furnace, metallurgical furnace flue, ladle lining.
The typical and commonly used semi-silica brick products are paraffin bricks, which are white or grayish white,their high temperature properties are similar to clay bricks, and their refractoriness is between 1670~1710℃.
2,Index of Semi-silica Brick
|
ITEM |
UNIT |
PB-80 |
|
|
SiO2 |
% |
69-72 |
|
|
Fe2O3 |
% |
1.3-1.5 |
|
|
Al2O3 |
% |
23-26 |
|
|
creep rate |
1050℃*(0-25h)% |
0.08 |
|
|
Acid resistance |
% |
99.8 |
|
|
Refractoriness under load |
℃ |
1330-1370 |
|
|
Porosity |
% |
16-19 |
|
|
Cold crushing strength |
MPa |
50-55 |
|
|
Bulk density |
g/cm3 |
2.10-2.20 |
|
3,Packaging,Storage and Delivery:
The product is packaged in the form of wooden pallet + stretch film + plastic steel strip,it is waterproof and fir,the products are stored in dry, moisture-proof and ventilated environment,after packaging, they are marked and shipped to Qingdao Port.
4.Main purpose
Mainly used for smelting non-ferrous metals such as coke ovens and sponge iron,steel factory teeming ladle and Inner lining of torpedo car equipment.
5.Good feedback of product use effect,the products have been exported to Russia, Australia, Oman
6.We are a professional supplier, who can provide customers with free product technology, use and other issues.
Do you want to find a professional supplier of refractory products?
Do you want to find a stable and credible supplier?
Then please contact with us
Contact me:Email:wp@cnjingganrefractory.com/sdwenping@163.com
TEL: 86-0533-4188518 / FAX: 86-0533-4188518
Rose:+86-13275332819(wechat/whatsapp number)
We have probably the most state-of-the-art output equipment, experienced and qualified engineers and workers, recognized good quality manage systems plus a friendly skilled income workforce pre/after-sales support for Glass Furnace Refractory Fire Fireproof Block for Hot Air Furnace Semi Silica Brick. We have cultivated excellent management experience. Remember to note that samples are available before we start our business enterprise.
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